12123200022 has 32 divisors (see below), whose sum is σ = 24770962944. Its totient is φ = 3953700000.

The previous prime is 12123200017. The next prime is 12123200027. The reversal of 12123200022 is 22000232121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12123200017) and next prime (12123200027).

It is a junction number, because it is equal to n+sod(n) for n = 12123199974 and 12123200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12123200027) 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, 1071897 + ... + 1083147.

It is an arithmetic number, because the mean of its divisors is an integer number (774092592).

Almost surely, 2^12123200022 is an apocalyptic number.

12123200022 is an abundant number, since it is smaller than the sum of its proper divisors (12647762922).

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

12123200022 is a wasteful number, since it uses less digits than its factorization.

12123200022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15124.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12123200022 its reverse (22000232121), we get a palindrome (34123432143).

The spelling of 12123200022 in words is "twelve billion, one hundred twenty-three million, two hundred thousand, twenty-two".