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12020111320310 = 2517957791161991
BaseRepresentation
bin1010111011101010011001…
…1101110010010011110110
31120120010000020002000210122
42232322212131302103312
53033414141444222220
641321543553251542
72350265364300302
oct256724635622366
946503006060718
1012020111320310
113914778527485
1214216b2b63bb2
13692651172812
142d7ac29a0d02
1515ca0d82a425
hexaeea67724f6

12020111320310 has 32 divisors (see below), whose sum is σ = 21760856582400. Its totient is φ = 4780352492640.

The previous prime is 12020111320307. The next prime is 12020111320339. The reversal of 12020111320310 is 1302311102021.

It is a super-2 number, since 2×120201113203102 (a number of 27 digits) contains 22 as substring.

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, 9763415 + ... + 10925405.

It is an arithmetic number, because the mean of its divisors is an integer number (680026768200).

Almost surely, 212020111320310 is an apocalyptic number.

12020111320310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12020111320310 is a deficient number, since it is larger than the sum of its proper divisors (9740745262090).

12020111320310 is a wasteful number, since it uses less digits than its factorization.

12020111320310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167956.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12020111320310 its reverse (1302311102021), we get a palindrome (13322422422331).

The spelling of 12020111320310 in words is "twelve trillion, twenty billion, one hundred eleven million, three hundred twenty thousand, three hundred ten".

Divisors: 1 2 5 10 179 358 895 1790 5779 11558 28895 57790 1034441 1161991 2068882 2323982 5172205 5809955 10344410 11619910 207996389 415992778 1039981945 2079963890 6715145989 13430291978 33575729945 67151459890 1202011132031 2404022264062 6010055660155 12020111320310