212213130986 has 4 divisors (see below), whose sum is σ = 318319696482. Its totient is φ = 106106565492.

The previous prime is 212213130977. The next prime is 212213130991. The reversal of 212213130986 is 689031312212.

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

It can be written as a sum of positive squares in only one way, i.e., 140104233025 + 72108897961 = 374305^2 + 268531^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53053282745 + ... + 53053282748.

Almost surely, 2^212213130986 is an apocalyptic number.

212213130986 is a deficient number, since it is larger than the sum of its proper divisors (106106565496).

212213130986 is a wasteful number, since it uses less digits than its factorization.

212213130986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106106565495.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 212213130986 in words is "two hundred twelve billion, two hundred thirteen million, one hundred thirty thousand, nine hundred eighty-six".