123012202013 has 2 divisors, whose sum is σ = 123012202014. Its totient is φ = 123012202012.

The previous prime is 123012202003. The next prime is 123012202063. The reversal of 123012202013 is 310202210321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109463707609 + 13548494404 = 330853^2 + 116398^2 .

It is a cyclic number.

It is not a de Polignac number, because 123012202013 - 2¹⁰ = 123012200989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123012201982 and 123012202000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123012202003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61506101006 + 61506101007.

It is an arithmetic number, because the mean of its divisors is an integer number (61506101007).

Almost surely, 2^123012202013 is an apocalyptic number.

It is an amenable number.

123012202013 is a deficient number, since it is larger than the sum of its proper divisors (1).

123012202013 is an equidigital number, since it uses as much as digits as its factorization.

123012202013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 123012202013 its reverse (310202210321), we get a palindrome (433214412334).

The spelling of 123012202013 in words is "one hundred twenty-three billion, twelve million, two hundred two thousand, thirteen".