121311322032 has 40 divisors (see below), whose sum is σ = 313448874496. Its totient is φ = 40429198656.

The previous prime is 121311322021. The next prime is 121311322039. The reversal of 121311322032 is 230223113121.

It is not an unprimeable number, because it can be changed into a prime (121311322039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3453 + ... + 492579.

Almost surely, 2^121311322032 is an apocalyptic number.

121311322032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121311322032 is an abundant number, since it is smaller than the sum of its proper divisors (192137552464).

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

121311322032 is a wasteful number, since it uses less digits than its factorization.

121311322032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494305 (or 494299 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 121311322032 its reverse (230223113121), we get a palindrome (351534435153).

The spelling of 121311322032 in words is "one hundred twenty-one billion, three hundred eleven million, three hundred twenty-two thousand, thirty-two".