204402131312 has 10 divisors (see below), whose sum is σ = 396029129448. Its totient is φ = 102201065648.

The previous prime is 204402131281. The next prime is 204402131333. The reversal of 204402131312 is 213131204402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6387566588 + ... + 6387566619.

Almost surely, 2^204402131312 is an apocalyptic number.

It is an amenable number.

204402131312 is a deficient number, since it is larger than the sum of its proper divisors (191626998136).

204402131312 is a wasteful number, since it uses less digits than its factorization.

204402131312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12775133215 (or 12775133209 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 204402131312 its reverse (213131204402), we get a palindrome (417533335714).

The spelling of 204402131312 in words is "two hundred four billion, four hundred two million, one hundred thirty-one thousand, three hundred twelve".