12220766358 has 16 divisors (see below), whose sum is σ = 24444189120. Its totient is φ = 4073146056.

The previous prime is 12220766323. The next prime is 12220766381. The reversal of 12220766358 is 85366702221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48160 + ... + 163587.

It is an arithmetic number, because the mean of its divisors is an integer number (1527761820).

Almost surely, 2^12220766358 is an apocalyptic number.

12220766358 is an abundant number, since it is smaller than the sum of its proper divisors (12223422762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12220766358 is a wasteful number, since it uses less digits than its factorization.

12220766358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221371.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 12220766358 in words is "twelve billion, two hundred twenty million, seven hundred sixty-six thousand, three hundred fifty-eight".