121022552144000 has 192 divisors, whose sum is σ = 325818318575880. Its totient is φ = 44685249024000.

The previous prime is 121022552143951. The next prime is 121022552144003. The reversal of 121022552144000 is 441255220121.

It can be written as a sum of positive squares in 12 ways, for example, as 11992701450304 + 109029850693696 = 3463048^2 + 10441736^2 .

It is not an unprimeable number, because it can be changed into a prime (121022552144003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19674431 + ... + 25082430.

Almost surely, 2^{121022552144000} is an apocalyptic number.

121022552144000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121022552144000 is an abundant number, since it is smaller than the sum of its proper divisors (204795766431880).

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

121022552144000 is an equidigital number, since it uses as much as digits as its factorization.

121022552144000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44756916 (or 44756881 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

The spelling of 121022552144000 in words is "one hundred twenty-one trillion, twenty-two billion, five hundred fifty-two million, one hundred forty-four thousand".