121143431032 has 16 divisors (see below), whose sum is σ = 244616543640. Its totient is φ = 55912352736.

The previous prime is 121143430973. The next prime is 121143431033. The reversal of 121143431032 is 230134341121.

It is a super-3 number, since 3×121143431032³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121143430988 and 121143431006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121143431033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582420238 + ... + 582420445.

Almost surely, 2^121143431032 is an apocalyptic number.

It is an amenable number.

121143431032 is an abundant number, since it is smaller than the sum of its proper divisors (123473112608).

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

121143431032 is a wasteful number, since it uses less digits than its factorization.

121143431032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164840702 (or 1164840698 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 121143431032 its reverse (230134341121), we get a palindrome (351277772153).

The spelling of 121143431032 in words is "one hundred twenty-one billion, one hundred forty-three million, four hundred thirty-one thousand, thirty-two".