131112200220212 has 6 divisors (see below), whose sum is σ = 229446350385378. Its totient is φ = 65556100110104.

The previous prime is 131112200220193. The next prime is 131112200220247. The reversal of 131112200220212 is 212022002211131.

It can be written as a sum of positive squares in only one way, i.e., 128642914831396 + 2469285388816 = 11342086^2 + 1571396^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16389025027523 + ... + 16389025027530.

It is an arithmetic number, because the mean of its divisors is an integer number (38241058397563).

Almost surely, 2^{131112200220212} is an apocalyptic number.

It is an amenable number.

131112200220212 is a deficient number, since it is larger than the sum of its proper divisors (98334150165166).

131112200220212 is a wasteful number, since it uses less digits than its factorization.

131112200220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32778050055057 (or 32778050055055 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 131112200220212 its reverse (212022002211131), we get a palindrome (343134202431343).

The spelling of 131112200220212 in words is "one hundred thirty-one trillion, one hundred twelve billion, two hundred million, two hundred twenty thousand, two hundred twelve".