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12220011200220 = 22351341715179761
BaseRepresentation
bin1011000111010011000101…
…1011010011111011011100
31121021012222120222002100120
42301310301123103323130
53100203040331401340
641553443505354540
72400603161242065
oct261646133237334
947235876862316
1012220011200220
1139915288249aa
1214543a1038a50
136a845a808625
1430364765d56c
15162d0d0c44d0
hexb1d316d3edc

12220011200220 has 48 divisors (see below), whose sum is σ = 34218583814688. Its totient is φ = 3258426562560.

The previous prime is 12220011200219. The next prime is 12220011200249. The reversal of 12220011200220 is 2200211002221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12220011200220.

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, 6784861 + ... + 8394900.

It is an arithmetic number, because the mean of its divisors is an integer number (712887162806).

Almost surely, 212220011200220 is an apocalyptic number.

12220011200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220011200220 is an abundant number, since it is smaller than the sum of its proper divisors (21998572614468).

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

12220011200220 is a wasteful number, since it uses less digits than its factorization.

12220011200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15193190 (or 15193188 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12220011200220 its reverse (2200211002221), we get a palindrome (14420222202441).

The spelling of 12220011200220 in words is "twelve trillion, two hundred twenty billion, eleven million, two hundred thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 13417 26834 40251 53668 67085 80502 134170 161004 201255 268340 402510 805020 15179761 30359522 45539283 60719044 75898805 91078566 151797610 182157132 227696415 303595220 455392830 910785660 203666853337 407333706674 611000560011 814667413348 1018334266685 1222001120022 2036668533370 2444002240044 3055002800055 4073337066740 6110005600110 12220011200220