121004926973280 has 576 divisors, whose sum is σ = 479717454827520. Its totient is φ = 27203342082048.

The previous prime is 121004926973221. The next prime is 121004926973341. The reversal of 121004926973280 is 82379629400121.

121004926973280 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 0 + 492 + 6 + 9 + 73 + 2 + 80 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 263937529 + ... + 264395591.

It is an arithmetic number, because the mean of its divisors is an integer number (832842803520).

Almost surely, 2^{121004926973280} is an apocalyptic number.

121004926973280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121004926973280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239858727413760).

121004926973280 is an abundant number, since it is smaller than the sum of its proper divisors (358712527854240).

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

121004926973280 is a wasteful number, since it uses less digits than its factorization.

121004926973280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458523 (or 458512 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 121004926973280 in words is "one hundred twenty-one trillion, four billion, nine hundred twenty-six million, nine hundred seventy-three thousand, two hundred eighty".