131212001401402 has 32 divisors (see below), whose sum is σ = 202623028041024. Its totient is φ = 63679653504000.

The previous prime is 131212001401379. The next prime is 131212001401409. The reversal of 131212001401402 is 204104100212131.

It is not an unprimeable number, because it can be changed into a prime (131212001401409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65717277 + ... + 67684447.

It is an arithmetic number, because the mean of its divisors is an integer number (6331969626282).

Almost surely, 2^{131212001401402} is an apocalyptic number.

131212001401402 is a deficient number, since it is larger than the sum of its proper divisors (71411026639622).

131212001401402 is a wasteful number, since it uses less digits than its factorization.

131212001401402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969374.

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

Adding to 131212001401402 its reverse (204104100212131), we get a palindrome (335316101613533).

The spelling of 131212001401402 in words is "one hundred thirty-one trillion, two hundred twelve billion, one million, four hundred one thousand, four hundred two".