123001212123029 has 2 divisors, whose sum is σ = 123001212123030. Its totient is φ = 123001212123028.

The previous prime is 123001212122959. The next prime is 123001212123071. The reversal of 123001212123029 is 920321212100321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65101257046225 + 57899955076804 = 8068535^2 + 7609202^2 .

It is an emirp because it is prime and its reverse (920321212100321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123001212123029 - 2¹² = 123001212118933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123001212122992 and 123001212123010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123001212123929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61500606061514 + 61500606061515.

It is an arithmetic number, because the mean of its divisors is an integer number (61500606061515).

Almost surely, 2^{123001212123029} is an apocalyptic number.

It is an amenable number.

123001212123029 is a deficient number, since it is larger than the sum of its proper divisors (1).

123001212123029 is an equidigital number, since it uses as much as digits as its factorization.

123001212123029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 123001212123029 in words is "one hundred twenty-three trillion, one billion, two hundred twelve million, one hundred twenty-three thousand, twenty-nine".