7018212113 has 6 divisors (see below), whose sum is σ = 7714233282. Its totient is φ = 6380192720.

The previous prime is 7018212053. The next prime is 7018212121. The reversal of 7018212113 is 3112128107.

It can be written as a sum of positive squares in only one way, i.e., 5807659264 + 1210552849 = 76208^2 + 34793^2 .

It is not a de Polignac number, because 7018212113 - 2²⁶ = 6951103249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7018212163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29000756 + ... + 29000997.

It is an arithmetic number, because the mean of its divisors is an integer number (1285705547).

Almost surely, 2^7018212113 is an apocalyptic number.

It is an amenable number.

7018212113 is a deficient number, since it is larger than the sum of its proper divisors (696021169).

7018212113 is a wasteful number, since it uses less digits than its factorization.

7018212113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58001775 (or 58001764 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 7018212113 is about 83774.7701459097. The cubic root of 7018212113 is about 1914.5887232000.

The spelling of 7018212113 in words is "seven billion, eighteen million, two hundred twelve thousand, one hundred thirteen".