131212301131312 has 20 divisors (see below), whose sum is σ = 254226558889656. Its totient is φ = 65605447224320.

The previous prime is 131212301131297. The next prime is 131212301131339. The reversal of 131212301131312 is 213131103212131.

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, 42418114 + ... + 45406177.

Almost surely, 2^{131212301131312} is an apocalyptic number.

It is an amenable number.

131212301131312 is a deficient number, since it is larger than the sum of its proper divisors (123014257758344).

131212301131312 is an equidigital number, since it uses as much as digits as its factorization.

131212301131312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87917676 (or 87917670 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 131212301131312 its reverse (213131103212131), we get a palindrome (344343404343443).

The spelling of 131212301131312 in words is "one hundred thirty-one trillion, two hundred twelve billion, three hundred one million, one hundred thirty-one thousand, three hundred twelve".