22522012400123 has 16 divisors (see below), whose sum is σ = 23050915614720. Its totient is φ = 21996968663904.

The previous prime is 22522012400099. The next prime is 22522012400179. The reversal of 22522012400123 is 32100421022522.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22522012400123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22522012400092 and 22522012400101.

It is not an unprimeable number, because it can be changed into a prime (22522012420123) 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, 482463698 + ... + 482510376.

It is an arithmetic number, because the mean of its divisors is an integer number (1440682225920).

Almost surely, 2^{22522012400123} is an apocalyptic number.

22522012400123 is a deficient number, since it is larger than the sum of its proper divisors (528903214597).

22522012400123 is a wasteful number, since it uses less digits than its factorization.

22522012400123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87778.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 22522012400123 its reverse (32100421022522), we get a palindrome (54622433422645).

The spelling of 22522012400123 in words is "twenty-two trillion, five hundred twenty-two billion, twelve million, four hundred thousand, one hundred twenty-three".