121138762032 has 120 divisors (see below), whose sum is σ = 360152105040. Its totient is φ = 39394667520.

The previous prime is 121138762021. The next prime is 121138762079. The reversal of 121138762032 is 230267831121.

121138762032 is a `hidden beast` number, since 1 + 21 + 1 + 3 + 8 + 7 + 620 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 220557 + ... + 539372.

It is an arithmetic number, because the mean of its divisors is an integer number (3001267542).

Almost surely, 2^121138762032 is an apocalyptic number.

121138762032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121138762032 is an abundant number, since it is smaller than the sum of its proper divisors (239013343008).

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

121138762032 is an equidigital number, since it uses as much as digits as its factorization.

121138762032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759993 (or 759975 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 121138762032 in words is "one hundred twenty-one billion, one hundred thirty-eight million, seven hundred sixty-two thousand, thirty-two".