121309324488 has 128 divisors (see below), whose sum is σ = 383586969600. Its totient is φ = 35162107200.

The previous prime is 121309324463. The next prime is 121309324501. The reversal of 121309324488 is 884423903121.

121309324488 is a `hidden beast` number, since 1 + 2 + 130 + 9 + 32 + 4 + 488 = 666.

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, 1055268 + ... + 1164563.

It is an arithmetic number, because the mean of its divisors is an integer number (2996773200).

Almost surely, 2^121309324488 is an apocalyptic number.

121309324488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

121309324488 is an abundant number, since it is smaller than the sum of its proper divisors (262277645112).

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

121309324488 is a wasteful number, since it uses less digits than its factorization.

121309324488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2219880 (or 2219870 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 121309324488 in words is "one hundred twenty-one billion, three hundred nine million, three hundred twenty-four thousand, four hundred eighty-eight".