13123313121002 has 32 divisors (see below), whose sum is σ = 22609041216384. Its totient is φ = 5596306329600.

The previous prime is 13123313120971. The next prime is 13123313121019. The reversal of 13123313121002 is 20012131332131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12102602 + ... + 13142282.

It is an arithmetic number, because the mean of its divisors is an integer number (706532538012).

Almost surely, 2^{13123313121002} is an apocalyptic number.

13123313121002 is a deficient number, since it is larger than the sum of its proper divisors (9485728095382).

13123313121002 is a wasteful number, since it uses less digits than its factorization.

13123313121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044174.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 13123313121002 its reverse (20012131332131), we get a palindrome (33135444453133).

The spelling of 13123313121002 in words is "thirteen trillion, one hundred twenty-three billion, three hundred thirteen million, one hundred twenty-one thousand, two".