12126620022 has 32 divisors (see below), whose sum is σ = 26470312704. Its totient is φ = 3673034400.

The previous prime is 12126619991. The next prime is 12126620029. The reversal of 12126620022 is 22002662121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12126619974 and 12126620001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12126620029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105223 + ... + 187949.

It is an arithmetic number, because the mean of its divisors is an integer number (827197272).

Almost surely, 2^12126620022 is an apocalyptic number.

12126620022 is an abundant number, since it is smaller than the sum of its proper divisors (14343692682).

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

12126620022 is a wasteful number, since it uses less digits than its factorization.

12126620022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84964.

The product of its (nonzero) digits is 1152, while the sum is 24.

The spelling of 12126620022 in words is "twelve billion, one hundred twenty-six million, six hundred twenty thousand, twenty-two".