121028360112 has 160 divisors (see below), whose sum is σ = 392046336000. Its totient is φ = 35410556160.

The previous prime is 121028360107. The next prime is 121028360183. The reversal of 121028360112 is 211063820121.

121028360112 is a `hidden beast` number, since 1 + 21 + 0 + 28 + 3 + 601 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 301312 + ... + 576927.

It is an arithmetic number, because the mean of its divisors is an integer number (2450289600).

Almost surely, 2^121028360112 is an apocalyptic number.

121028360112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121028360112 is an abundant number, since it is smaller than the sum of its proper divisors (271017975888).

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

121028360112 is a wasteful number, since it uses less digits than its factorization.

121028360112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878296 (or 878284 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The spelling of 121028360112 in words is "one hundred twenty-one billion, twenty-eight million, three hundred sixty thousand, one hundred twelve".