121120032000 has 432 divisors, whose sum is σ = 442240134336. Its totient is φ = 29359616000.

The previous prime is 121120031993. The next prime is 121120032053. The reversal of 121120032000 is 230021121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11610787 + ... + 11621213.

Almost surely, 2^121120032000 is an apocalyptic number.

121120032000 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 121120032000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221120067168).

121120032000 is an abundant number, since it is smaller than the sum of its proper divisors (321120102336).

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

121120032000 is a wasteful number, since it uses less digits than its factorization.

121120032000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10483 (or 10448 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 121120032000 its reverse (230021121), we get a palindrome (121350053121).

The spelling of 121120032000 in words is "one hundred twenty-one billion, one hundred twenty million, thirty-two thousand".