121864008708 has 48 divisors (see below), whose sum is σ = 340247093760. Its totient is φ = 37496617632.

The previous prime is 121864008691. The next prime is 121864008757. The reversal of 121864008708 is 807800468121.

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 15 ways as a sum of consecutive naturals, for example, 43397460 + ... + 43400267.

It is an arithmetic number, because the mean of its divisors is an integer number (7088481120).

Almost surely, 2^121864008708 is an apocalyptic number.

121864008708 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

121864008708 is an abundant number, since it is smaller than the sum of its proper divisors (218383085052).

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

121864008708 is a wasteful number, since it uses less digits than its factorization.

121864008708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86797753 (or 86797745 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 45.

The spelling of 121864008708 in words is "one hundred twenty-one billion, eight hundred sixty-four million, eight thousand, seven hundred eight".