13012121323002 has 16 divisors (see below), whose sum is σ = 26057909204640. Its totient is φ = 4331762681232.

The previous prime is 13012121322989. The next prime is 13012121323007. The reversal of 13012121323002 is 20032312121031.

It is a self number, because there is not a number n which added to its sum of digits gives 13012121323002.

It is not an unprimeable number, because it can be changed into a prime (13012121323007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1402768252 + ... + 1402777527.

It is an arithmetic number, because the mean of its divisors is an integer number (1628619325290).

Almost surely, 2^{13012121323002} is an apocalyptic number.

13012121323002 is an abundant number, since it is smaller than the sum of its proper divisors (13045787881638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13012121323002 is a wasteful number, since it uses less digits than its factorization.

13012121323002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805546557.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13012121323002 its reverse (20032312121031), we get a palindrome (33044433444033).

The spelling of 13012121323002 in words is "thirteen trillion, twelve billion, one hundred twenty-one million, three hundred twenty-three thousand, two".