22012212200123 has 16 divisors (see below), whose sum is σ = 23181146104320. Its totient is φ = 20844319519296.

The previous prime is 22012212200117. The next prime is 22012212200137. The reversal of 22012212200123 is 32100221221022.

It is not a de Polignac number, because 22012212200123 - 2¹⁶ = 22012212134587 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22012212200095 and 22012212200104.

It is not an unprimeable number, because it can be changed into a prime (22012212200423) 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, 881639786 + ... + 881664752.

It is an arithmetic number, because the mean of its divisors is an integer number (1448821631520).

Almost surely, 2^{22012212200123} is an apocalyptic number.

22012212200123 is a deficient number, since it is larger than the sum of its proper divisors (1168933904197).

22012212200123 is a wasteful number, since it uses less digits than its factorization.

22012212200123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43946.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22012212200123 its reverse (32100221221022), we get a palindrome (54112433421145).

The spelling of 22012212200123 in words is "twenty-two trillion, twelve billion, two hundred twelve million, two hundred thousand, one hundred twenty-three".