1312042199 has 12 divisors (see below), whose sum is σ = 1477080696. Its totient is φ = 1158452592.

The previous prime is 1312042181. The next prime is 1312042211. The reversal of 1312042199 is 9912402131.

It is a de Polignac number, because none of the positive numbers 2^k-1312042199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312042129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88517 + ... + 102270.

It is an arithmetic number, because the mean of its divisors is an integer number (123090058).

Almost surely, 2^1312042199 is an apocalyptic number.

1312042199 is a deficient number, since it is larger than the sum of its proper divisors (165038497).

1312042199 is a wasteful number, since it uses less digits than its factorization.

1312042199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190846 (or 190823 counting only the distinct ones).

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

The square root of 1312042199 is about 36222.1230603619. The cubic root of 1312042199 is about 1094.7524718675.

The spelling of 1312042199 in words is "one billion, three hundred twelve million, forty-two thousand, one hundred ninety-nine".