123012202324129 has 2 divisors, whose sum is σ = 123012202324130. Its totient is φ = 123012202324128.

The previous prime is 123012202324097. The next prime is 123012202324163. The reversal of 123012202324129 is 921423202210321.

It is an a-pointer prime, because the next prime (123012202324163) can be obtained adding 123012202324129 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72767468248225 + 50244734075904 = 8530385^2 + 7088352^2 .

It is a cyclic number.

It is not a de Polignac number, because 123012202324129 - 2⁵ = 123012202324097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123012202324094 and 123012202324103.

It is not a weakly prime, because it can be changed into another prime (123012202324229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61506101162064 + 61506101162065.

It is an arithmetic number, because the mean of its divisors is an integer number (61506101162065).

Almost surely, 2^{123012202324129} is an apocalyptic number.

It is an amenable number.

123012202324129 is a deficient number, since it is larger than the sum of its proper divisors (1).

123012202324129 is an equidigital number, since it uses as much as digits as its factorization.

123012202324129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 123012202324129 in words is "one hundred twenty-three trillion, twelve billion, two hundred two million, three hundred twenty-four thousand, one hundred twenty-nine".