312012111119 has 2 divisors, whose sum is σ = 312012111120. Its totient is φ = 312012111118.

The previous prime is 312012111097. The next prime is 312012111163. The reversal of 312012111119 is 911111210213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312012111119 - 2²⁰ = 312011062543 is a prime.

It is a super-2 number, since 2×312012111119² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312012111094 and 312012111103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312012411119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156006055559 + 156006055560.

It is an arithmetic number, because the mean of its divisors is an integer number (156006055560).

Almost surely, 2^312012111119 is an apocalyptic number.

312012111119 is a deficient number, since it is larger than the sum of its proper divisors (1).

312012111119 is an equidigital number, since it uses as much as digits as its factorization.

312012111119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 23.

The spelling of 312012111119 in words is "three hundred twelve billion, twelve million, one hundred eleven thousand, one hundred nineteen".