99612120111022 has 16 divisors (see below), whose sum is σ = 159177262325760. Its totient is φ = 46616198249592.

The previous prime is 99612120111013. The next prime is 99612120111037. The reversal of 99612120111022 is 22011102121699.

It is a happy number.

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, 15791391918 + ... + 15791398225.

It is an arithmetic number, because the mean of its divisors is an integer number (9948578895360).

Almost surely, 2^{99612120111022} is an apocalyptic number.

99612120111022 is a deficient number, since it is larger than the sum of its proper divisors (59565142214738).

99612120111022 is a wasteful number, since it uses less digits than its factorization.

99612120111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31582790247.

The product of its (nonzero) digits is 7776, while the sum is 37.

The spelling of 99612120111022 in words is "ninety-nine trillion, six hundred twelve billion, one hundred twenty million, one hundred eleven thousand, twenty-two".