312212132279 has 2 divisors, whose sum is σ = 312212132280. Its totient is φ = 312212132278.

The previous prime is 312212132273. The next prime is 312212132321. The reversal of 312212132279 is 972231212213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312212132279 - 2¹² = 312212128183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312212132273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156106066139 + 156106066140.

It is an arithmetic number, because the mean of its divisors is an integer number (156106066140).

Almost surely, 2^312212132279 is an apocalyptic number.

312212132279 is a deficient number, since it is larger than the sum of its proper divisors (1).

312212132279 is an equidigital number, since it uses as much as digits as its factorization.

312212132279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The spelling of 312212132279 in words is "three hundred twelve billion, two hundred twelve million, one hundred thirty-two thousand, two hundred seventy-nine".