421004131312 has 10 divisors (see below), whose sum is σ = 815695504448. Its totient is φ = 210502065648.

The previous prime is 421004131309. The next prime is 421004131321. The reversal of 421004131312 is 213131400124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13156379088 + ... + 13156379119.

Almost surely, 2^421004131312 is an apocalyptic number.

It is an amenable number.

421004131312 is a deficient number, since it is larger than the sum of its proper divisors (394691373136).

421004131312 is a wasteful number, since it uses less digits than its factorization.

421004131312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26312758215 (or 26312758209 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 421004131312 its reverse (213131400124), we get a palindrome (634135531436).

The spelling of 421004131312 in words is "four hundred twenty-one billion, four million, one hundred thirty-one thousand, three hundred twelve".