121300012032 has 88 divisors (see below), whose sum is σ = 324652267632. Its totient is φ = 40265318400.

The previous prime is 121300012019. The next prime is 121300012049. The reversal of 121300012032 is 230210003121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 658432 + ... + 822272.

It is an arithmetic number, because the mean of its divisors is an integer number (3689230314).

Almost surely, 2^121300012032 is an apocalyptic number.

121300012032 is a gapful number since it is divisible by the number (12) 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 121300012032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162326133816).

121300012032 is an abundant number, since it is smaller than the sum of its proper divisors (203352255600).

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

121300012032 is a wasteful number, since it uses less digits than its factorization.

121300012032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164105 (or 164087 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 121300012032 its reverse (230210003121), we get a palindrome (351510015153).

The spelling of 121300012032 in words is "one hundred twenty-one billion, three hundred million, twelve thousand, thirty-two".