131212012211339 has 4 divisors (see below), whose sum is σ = 131299545243000. Its totient is φ = 131124479179680.

The previous prime is 131212012211323. The next prime is 131212012211419. The reversal of 131212012211339 is 933112210212131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131212012211339 - 2⁴ = 131212012211323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131212012211039) 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, 43766513582 + ... + 43766516579.

It is an arithmetic number, because the mean of its divisors is an integer number (32824886310750).

Almost surely, 2^{131212012211339} is an apocalyptic number.

131212012211339 is a deficient number, since it is larger than the sum of its proper divisors (87533031661).

131212012211339 is an equidigital number, since it uses as much as digits as its factorization.

131212012211339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87533031660.

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 131212012211339 in words is "one hundred thirty-one trillion, two hundred twelve billion, twelve million, two hundred eleven thousand, three hundred thirty-nine".