421440122130032 has 10 divisors (see below), whose sum is σ = 816540236626968. Its totient is φ = 210720061065008.

The previous prime is 421440122129933. The next prime is 421440122130127. The reversal of 421440122130032 is 230031221044124.

It is a super-2 number, since 2×421440122130032² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421440122129977 and 421440122130004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13170003816548 + ... + 13170003816579.

Almost surely, 2^{421440122130032} is an apocalyptic number.

It is an amenable number.

421440122130032 is a deficient number, since it is larger than the sum of its proper divisors (395100114496936).

421440122130032 is a wasteful number, since it uses less digits than its factorization.

421440122130032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26340007633135 (or 26340007633129 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 421440122130032 its reverse (230031221044124), we get a palindrome (651471343174156).

The spelling of 421440122130032 in words is "four hundred twenty-one trillion, four hundred forty billion, one hundred twenty-two million, one hundred thirty thousand, thirty-two".