121952276800 has 42 divisors (see below), whose sum is σ = 300078825038. Its totient is φ = 48780910080.

The previous prime is 121952276687. The next prime is 121952276813. The reversal of 121952276800 is 8672259121.

It can be written as a sum of positive squares in 3 ways, for example, as 212693056 + 121739583744 = 14584^2 + 348912^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38108487 + ... + 38111686.

Almost surely, 2^121952276800 is an apocalyptic number.

121952276800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121952276800 is an abundant number, since it is smaller than the sum of its proper divisors (178126548238).

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

121952276800 is an equidigital number, since it uses as much as digits as its factorization.

121952276800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76220195 (or 76220180 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 121952276800 in words is "one hundred twenty-one billion, nine hundred fifty-two million, two hundred seventy-six thousand, eight hundred".