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120212012112 = 2436737379357
BaseRepresentation
bin110111111110100110…
…0011011110001010000
3102111021210002221102220
41233331030123301100
53432143233341422
6131120304341040
711453652146343
oct1577514336120
9374253087386
10120212012112
1146a88601a45
121b36a914780
13b44a0b901a
145b6557445a
1531d88d3e5c
hex1bfd31bc50

120212012112 has 40 divisors (see below), whose sum is σ = 315182746656. Its totient is φ = 39472599936.

The previous prime is 120212012099. The next prime is 120212012183. The reversal of 120212012112 is 211210212021.

It is a junction number, because it is equal to n+sod(n) for n = 120212012091 and 120212012100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18686463 + ... + 18692894.

Almost surely, 2120212012112 is an apocalyptic number.

120212012112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120212012112 is an abundant number, since it is smaller than the sum of its proper divisors (194970734544).

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

120212012112 is a wasteful number, since it uses less digits than its factorization.

120212012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37379435 (or 37379429 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120212012112 its reverse (211210212021), we get a palindrome (331422224133).

The spelling of 120212012112 in words is "one hundred twenty billion, two hundred twelve million, twelve thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 67 134 201 268 402 536 804 1072 1608 3216 37379357 74758714 112138071 149517428 224276142 299034856 448552284 598069712 897104568 1794209136 2504416919 5008833838 7513250757 10017667676 15026501514 20035335352 30053003028 40070670704 60106006056 120212012112