12101542422 has 32 divisors (see below), whose sum is σ = 24805550592. Its totient is φ = 3934044384.

The previous prime is 12101542403. The next prime is 12101542433. The reversal of 12101542422 is 22424510121.

It is a junction number, because it is equal to n+sod(n) for n = 12101542392 and 12101542401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3988 + ... + 155624.

It is an arithmetic number, because the mean of its divisors is an integer number (775173456).

Almost surely, 2^12101542422 is an apocalyptic number.

12101542422 is an abundant number, since it is smaller than the sum of its proper divisors (12704008170).

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

12101542422 is a wasteful number, since it uses less digits than its factorization.

12101542422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151972.

The product of its (nonzero) digits is 1280, while the sum is 24.

The spelling of 12101542422 in words is "twelve billion, one hundred one million, five hundred forty-two thousand, four hundred twenty-two".