7012912091 has 2 divisors, whose sum is σ = 7012912092. Its totient is φ = 7012912090.

The previous prime is 7012912079. The next prime is 7012912133. The reversal of 7012912091 is 1902192107.

It is a weak prime.

It is an emirp because it is prime and its reverse (1902192107) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7012912091 is a prime.

It is not a weakly prime, because it can be changed into another prime (7012912001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3506456045 + 3506456046.

It is an arithmetic number, because the mean of its divisors is an integer number (3506456046).

Almost surely, 2^7012912091 is an apocalyptic number.

7012912091 is a deficient number, since it is larger than the sum of its proper divisors (1).

7012912091 is an equidigital number, since it uses as much as digits as its factorization.

7012912091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 7012912091 is about 83743.1316049263. The cubic root of 7012912091 is about 1914.1066480110.

The spelling of 7012912091 in words is "seven billion, twelve million, nine hundred twelve thousand, ninety-one".