86211212113 has 8 divisors (see below), whose sum is σ = 92849393448. Its totient is φ = 79573966464.

The previous prime is 86211212023. The next prime is 86211212117. The reversal of 86211212113 is 31121211268.

It can be written as a sum of positive squares in 4 ways, for example, as 6533165584 + 79678046529 = 80828^2 + 282273^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86211212113 - 2⁹ = 86211211601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86211212117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36370 + ... + 416827.

It is an arithmetic number, because the mean of its divisors is an integer number (11606174181).

Almost surely, 2^86211212113 is an apocalyptic number.

It is an amenable number.

86211212113 is a deficient number, since it is larger than the sum of its proper divisors (6638181335).

86211212113 is a wasteful number, since it uses less digits than its factorization.

86211212113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467843.

The product of its digits is 1152, while the sum is 28.

It can be divided in two parts, 862112 and 12113, that added together give a square (874225 = 935²).

The spelling of 86211212113 in words is "eighty-six billion, two hundred eleven million, two hundred twelve thousand, one hundred thirteen".