1231203201204 has 48 divisors (see below), whose sum is σ = 2875675647488. Its totient is φ = 409991528448.

The previous prime is 1231203201199. The next prime is 1231203201227. The reversal of 1231203201204 is 4021023021321.

It is a super-2 number, since 2×1231203201204² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60482292 + ... + 60502644.

Almost surely, 2^{1231203201204} is an apocalyptic number.

It is an amenable number.

1231203201204 is an abundant number, since it is smaller than the sum of its proper divisors (1644472446284).

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

1231203201204 is a wasteful number, since it uses less digits than its factorization.

1231203201204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25144 (or 25142 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1231203201204 its reverse (4021023021321), we get a palindrome (5252226222525).

The spelling of 1231203201204 in words is "one trillion, two hundred thirty-one billion, two hundred three million, two hundred one thousand, two hundred four".