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12203220030320 = 24511113111122599
BaseRepresentation
bin1011000110010100100010…
…0110000101001101110000
31121012121122101102021111002
42301211020212011031300
53044414143311432240
641542025404341132
72366440111533014
oct261451046051560
947177571367432
1012203220030320
1139853a162a490
1214510958447a8
136a69b2b71737
143028d35c0544
15162678decd15
hexb1948985370

12203220030320 has 80 divisors (see below), whose sum is σ = 30952329638400. Its totient is φ = 4437459129600.

The previous prime is 12203220030317. The next prime is 12203220030347. The reversal of 12203220030320 is 2303002230221.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12203220030292 and 12203220030301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99476381 + ... + 99598979.

It is an arithmetic number, because the mean of its divisors is an integer number (386904120480).

Almost surely, 212203220030320 is an apocalyptic number.

12203220030320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12203220030320 is an abundant number, since it is smaller than the sum of its proper divisors (18749109608080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12203220030320 is a wasteful number, since it uses less digits than its factorization.

12203220030320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235734 (or 235728 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 12203220030320 its reverse (2303002230221), we get a palindrome (14506222260541).

The spelling of 12203220030320 in words is "twelve trillion, two hundred three billion, two hundred twenty million, thirty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 113111 122599 226222 245198 452444 490396 565555 612995 904888 980792 1131110 1225990 1244221 1348589 1809776 1961584 2262220 2451980 2488442 2697178 4524440 4903960 4976884 5394356 6221105 6742945 9048880 9807920 9953768 10788712 12442210 13485890 19907536 21577424 24884420 26971780 49768840 53943560 99537680 107887120 13867295489 27734590978 55469181956 69336477445 110938363912 138672954890 152540250379 221876727824 277345909780 305080500758 554691819560 610161001516 762701251895 1109383639120 1220322003032 1525402503790 2440644006064 3050805007580 6101610015160 12203220030320