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120111110220012 = 223471379915433217
BaseRepresentation
bin11011010011110110001100…
…000011101110100011101100
3120202021111202210021000212020
4123103312030003232203230
5111220400023204020022
61103242140550310140
734204512165364512
oct3323661403564354
9522244683230766
10120111110220012
11352a892147a01a
121157a407958350
1352035769452a2
1421935a18924b2
15dd4573e5235c
hex6d3d8c0ee8ec

120111110220012 has 48 divisors (see below), whose sum is σ = 286242980889600. Its totient is φ = 39182342643712.

The previous prime is 120111110220007. The next prime is 120111110220047. The reversal of 120111110220012 is 210022011111021.

It is a happy number.

It is a super-2 number, since 2×1201111102200122 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120111110219973 and 120111110220000.

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, 66028 + ... + 15499244.

It is an arithmetic number, because the mean of its divisors is an integer number (5963395435200).

Almost surely, 2120111110220012 is an apocalyptic number.

120111110220012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120111110220012 is an abundant number, since it is smaller than the sum of its proper divisors (166131870669588).

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

120111110220012 is a wasteful number, since it uses less digits than its factorization.

120111110220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15447070 (or 15447068 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 120111110220012 its reverse (210022011111021), we get a palindrome (330133121331033).

The spelling of 120111110220012 in words is "one hundred twenty trillion, one hundred eleven billion, one hundred ten million, two hundred twenty thousand, twelve".

Divisors: 1 2 3 4 6 12 47 94 141 188 282 564 13799 27598 41397 55196 82794 165588 648553 1297106 1945659 2594212 3891318 7782636 15433217 30866434 46299651 61732868 92599302 185198604 725361199 1450722398 2176083597 2901444796 4352167194 8704334388 212962961383 425925922766 638888884149 851851845532 1277777768298 2555555536596 10009259185001 20018518370002 30027777555003 40037036740004 60055555110006 120111110220012