123013011222019 has 2 divisors, whose sum is σ = 123013011222020. Its totient is φ = 123013011222018.

The previous prime is 123013011221993. The next prime is 123013011222247. The reversal of 123013011222019 is 910222110310321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123013011222019 - 2²¹ = 123013009124867 is a prime.

It is a super-2 number, since 2×123013011222019² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123013011222719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61506505611009 + 61506505611010.

It is an arithmetic number, because the mean of its divisors is an integer number (61506505611010).

Almost surely, 2^{123013011222019} is an apocalyptic number.

123013011222019 is a deficient number, since it is larger than the sum of its proper divisors (1).

123013011222019 is an equidigital number, since it uses as much as digits as its factorization.

123013011222019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 123013011222019 in words is "one hundred twenty-three trillion, thirteen billion, eleven million, two hundred twenty-two thousand, nineteen".