131212444101204 has 12 divisors (see below), whose sum is σ = 306162369569504. Its totient is φ = 43737481367064.

The previous prime is 131212444101199. The next prime is 131212444101253. The reversal of 131212444101204 is 402101444212131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5467185170872 + ... + 5467185170895.

Almost surely, 2^{131212444101204} is an apocalyptic number.

It is an amenable number.

131212444101204 is an abundant number, since it is smaller than the sum of its proper divisors (174949925468300).

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

131212444101204 is a wasteful number, since it uses less digits than its factorization.

131212444101204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10934370341774 (or 10934370341772 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

Adding to 131212444101204 its reverse (402101444212131), we get a palindrome (533313888313335).

The spelling of 131212444101204 in words is "one hundred thirty-one trillion, two hundred twelve billion, four hundred forty-four million, one hundred one thousand, two hundred four".