121040024234432 has 28 divisors (see below), whose sum is σ = 246680387232600. Its totient is φ = 58884336112896.

The previous prime is 121040024234431. The next prime is 121040024234443. The reversal of 121040024234432 is 234432420040121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121040024234431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25557435182 + ... + 25557439917.

Almost surely, 2^{121040024234432} is an apocalyptic number.

It is an amenable number.

121040024234432 is an abundant number, since it is smaller than the sum of its proper divisors (125640362998168).

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

121040024234432 is an equidigital number, since it uses as much as digits as its factorization.

121040024234432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51114875148 (or 51114875138 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 121040024234432 its reverse (234432420040121), we get a palindrome (355472444274553).

The spelling of 121040024234432 in words is "one hundred twenty-one trillion, forty billion, twenty-four million, two hundred thirty-four thousand, four hundred thirty-two".