123001000302121 has 2 divisors, whose sum is σ = 123001000302122. Its totient is φ = 123001000302120.

The previous prime is 123001000302113. The next prime is 123001000302127. The reversal of 123001000302121 is 121203000100321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97558862541721 + 25442137760400 = 9877189^2 + 5044020^2 .

It is a cyclic number.

It is not a de Polignac number, because 123001000302121 - 2³ = 123001000302113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123001000302095 and 123001000302104.

It is not a weakly prime, because it can be changed into another prime (123001000302127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61500500151060 + 61500500151061.

It is an arithmetic number, because the mean of its divisors is an integer number (61500500151061).

Almost surely, 2^{123001000302121} is an apocalyptic number.

It is an amenable number.

123001000302121 is a deficient number, since it is larger than the sum of its proper divisors (1).

123001000302121 is an equidigital number, since it uses as much as digits as its factorization.

123001000302121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 123001000302121 its reverse (121203000100321), we get a palindrome (244204000402442).

The spelling of 123001000302121 in words is "one hundred twenty-three trillion, one billion, three hundred two thousand, one hundred twenty-one".