12213011986 has 16 divisors (see below), whose sum is σ = 21004796736. Its totient is φ = 5217096816.

The previous prime is 12213011953. The next prime is 12213012067. The reversal of 12213011986 is 68911031221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1416481 + ... + 1425076.

It is an arithmetic number, because the mean of its divisors is an integer number (1312799796).

Almost surely, 2^12213011986 is an apocalyptic number.

12213011986 is a deficient number, since it is larger than the sum of its proper divisors (8791784750).

12213011986 is a wasteful number, since it uses less digits than its factorization.

12213011986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841873.

The product of its (nonzero) digits is 5184, while the sum is 34.

The spelling of 12213011986 in words is "twelve billion, two hundred thirteen million, eleven thousand, nine hundred eighty-six".