212203029986 has 4 divisors (see below), whose sum is σ = 318304544982. Its totient is φ = 106101514992.

The previous prime is 212203029979. The next prime is 212203030033. The reversal of 212203029986 is 689920302212.

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., 212203029025 + 961 = 460655^2 + 31^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53050757495 + ... + 53050757498.

Almost surely, 2^212203029986 is an apocalyptic number.

212203029986 is a deficient number, since it is larger than the sum of its proper divisors (106101514996).

212203029986 is a wasteful number, since it uses less digits than its factorization.

212203029986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106101514995.

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 212203029986 in words is "two hundred twelve billion, two hundred three million, twenty-nine thousand, nine hundred eighty-six".