121987094592 has 56 divisors (see below), whose sum is σ = 352099120032. Its totient is φ = 36965785600.

The previous prime is 121987094527. The next prime is 121987094641. The reversal of 121987094592 is 295490789121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28877409 + ... + 28881632.

Almost surely, 2^121987094592 is an apocalyptic number.

121987094592 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121987094592 is an abundant number, since it is smaller than the sum of its proper divisors (230112025440).

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

121987094592 is a wasteful number, since it uses less digits than its factorization.

121987094592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57759067 (or 57759057 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 57.

The spelling of 121987094592 in words is "one hundred twenty-one billion, nine hundred eighty-seven million, ninety-four thousand, five hundred ninety-two".