22012210123 has 2 divisors, whose sum is σ = 22012210124. Its totient is φ = 22012210122.

The previous prime is 22012210039. The next prime is 22012210127. The reversal of 22012210123 is 32101221022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22012210123 - 2¹⁷ = 22012079051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22012210097 and 22012210106.

It is not a weakly prime, because it can be changed into another prime (22012210127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006105061 + 11006105062.

It is an arithmetic number, because the mean of its divisors is an integer number (11006105062).

Almost surely, 2^22012210123 is an apocalyptic number.

22012210123 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012210123 is an equidigital number, since it uses as much as digits as its factorization.

22012210123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22012210123 its reverse (32101221022), we get a palindrome (54113431145).

The spelling of 22012210123 in words is "twenty-two billion, twelve million, two hundred ten thousand, one hundred twenty-three".