7012216134491 has 4 divisors (see below), whose sum is σ = 7108273889832. Its totient is φ = 6916158379152.

The previous prime is 7012216134481. The next prime is 7012216134551. The reversal of 7012216134491 is 1944316122107.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7012216134491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7012216134481) 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, 48028877561 + ... + 48028877706.

It is an arithmetic number, because the mean of its divisors is an integer number (1777068472458).

Almost surely, 2^{7012216134491} is an apocalyptic number.

7012216134491 is a deficient number, since it is larger than the sum of its proper divisors (96057755341).

7012216134491 is an equidigital number, since it uses as much as digits as its factorization.

7012216134491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96057755340.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 7012216134491 in words is "seven trillion, twelve billion, two hundred sixteen million, one hundred thirty-four thousand, four hundred ninety-one".