240421132120000 has 140 divisors (see below), whose sum is σ = 642025216085176. Its totient is φ = 88770879360000.

The previous prime is 240421132119979. The next prime is 240421132120097. The reversal of 240421132120000 is 21231124042.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 230654166 + ... + 231694165.

Almost surely, 2^{240421132120000} is an apocalyptic number.

240421132120000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240421132120000 is an abundant number, since it is smaller than the sum of its proper divisors (401604083965176).

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

240421132120000 is an equidigital number, since it uses as much as digits as its factorization.

240421132120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462348376 (or 462348351 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 240421132120000 its reverse (21231124042), we get a palindrome (240442363244042).

The spelling of 240421132120000 in words is "two hundred forty trillion, four hundred twenty-one billion, one hundred thirty-two million, one hundred twenty thousand".