131212001402212 has 24 divisors (see below), whose sum is σ = 230154799505400. Its totient is φ = 65453531420160.

The previous prime is 131212001402201. The next prime is 131212001402231. The reversal of 131212001402212 is 212204100212131.

It can be written as a sum of positive squares in 4 ways, for example, as 20033197415716 + 111178803986496 = 4475846^2 + 10544136^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6375118 + ... + 17408794.

It is an arithmetic number, because the mean of its divisors is an integer number (9589783312725).

Almost surely, 2^{131212001402212} is an apocalyptic number.

It is an amenable number.

131212001402212 is a deficient number, since it is larger than the sum of its proper divisors (98942798103188).

131212001402212 is a wasteful number, since it uses less digits than its factorization.

131212001402212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11040591 (or 11040589 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 131212001402212 its reverse (212204100212131), we get a palindrome (343416101614343).

The spelling of 131212001402212 in words is "one hundred thirty-one trillion, two hundred twelve billion, one million, four hundred two thousand, two hundred twelve".