421232232125 has 32 divisors (see below), whose sum is σ = 549330612480. Its totient is φ = 321878040000.

The previous prime is 421232232097. The next prime is 421232232199. The reversal of 421232232125 is 521232232124.

It is not a de Polignac number, because 421232232125 - 2²⁴ = 421215454909 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1935050 + ... + 2141700.

It is an arithmetic number, because the mean of its divisors is an integer number (17166581640).

Almost surely, 2^421232232125 is an apocalyptic number.

It is an amenable number.

421232232125 is a deficient number, since it is larger than the sum of its proper divisors (128098380355).

421232232125 is a wasteful number, since it uses less digits than its factorization.

421232232125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207398 (or 207388 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

Adding to 421232232125 its reverse (521232232124), we get a palindrome (942464464249).

Subtracting 421232232125 from its reverse (521232232124), we obtain a palindrome (99999999999).

The spelling of 421232232125 in words is "four hundred twenty-one billion, two hundred thirty-two million, two hundred thirty-two thousand, one hundred twenty-five".