421244132100 has 72 divisors (see below), whose sum is σ = 1329599671008. Its totient is φ = 102119788800.

The previous prime is 421244132093. The next prime is 421244132117. The reversal of 421244132100 is 1231442124.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63821569 + ... + 63828168.

Almost surely, 2^421244132100 is an apocalyptic number.

It is an amenable number.

421244132100 is an abundant number, since it is smaller than the sum of its proper divisors (908355538908).

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

421244132100 is a wasteful number, since it uses less digits than its factorization.

421244132100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127649765 (or 127649758 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 421244132100 its reverse (1231442124), we get a palindrome (422475574224).

The spelling of 421244132100 in words is "four hundred twenty-one billion, two hundred forty-four million, one hundred thirty-two thousand, one hundred".