121551352000 has 112 divisors (see below), whose sum is σ = 324177733152. Its totient is φ = 44880460800.

The previous prime is 121551351979. The next prime is 121551352031. The reversal of 121551352000 is 253155121.

121551352000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480382 + ... + 688381.

It is an arithmetic number, because the mean of its divisors is an integer number (2894444046).

Almost surely, 2^121551352000 is an apocalyptic number.

121551352000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121551352000 is an abundant number, since it is smaller than the sum of its proper divisors (202626381152).

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

121551352000 is a wasteful number, since it uses less digits than its factorization.

121551352000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168803 (or 1168783 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The spelling of 121551352000 in words is "one hundred twenty-one billion, five hundred fifty-one million, three hundred fifty-two thousand".