131212444101132 has 12 divisors (see below), whose sum is σ = 306162369569336. Its totient is φ = 43737481367040.

The previous prime is 131212444101131. The next prime is 131212444101139. The reversal of 131212444101132 is 231101444212131.

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

It is a self number, because there is not a number n which added to its sum of digits gives 131212444101132.

It is not an unprimeable number, because it can be changed into a prime (131212444101131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5467185170869 + ... + 5467185170892.

Almost surely, 2^{131212444101132} is an apocalyptic number.

131212444101132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131212444101132 is an abundant number, since it is smaller than the sum of its proper divisors (174949925468204).

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

131212444101132 is a wasteful number, since it uses less digits than its factorization.

131212444101132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10934370341768 (or 10934370341766 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

Adding to 131212444101132 its reverse (231101444212131), we get a palindrome (362313888313263).

The spelling of 131212444101132 in words is "one hundred thirty-one trillion, two hundred twelve billion, four hundred forty-four million, one hundred one thousand, one hundred thirty-two".