22012001012123 has 2 divisors, whose sum is σ = 22012001012124. Its totient is φ = 22012001012122.

The previous prime is 22012001012077. The next prime is 22012001012191. The reversal of 22012001012123 is 32121010021022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22012001012123 - 2⁶ = 22012001012059 is a prime.

It is not a weakly prime, because it can be changed into another prime (22012001012423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006000506061 + 11006000506062.

It is an arithmetic number, because the mean of its divisors is an integer number (11006000506062).

Almost surely, 2^{22012001012123} is an apocalyptic number.

22012001012123 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012001012123 is an equidigital number, since it uses as much as digits as its factorization.

22012001012123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22012001012123 its reverse (32121010021022), we get a palindrome (54133011033145).

The spelling of 22012001012123 in words is "twenty-two trillion, twelve billion, one million, twelve thousand, one hundred twenty-three".