13121330312032 has 48 divisors (see below), whose sum is σ = 26018597509632. Its totient is φ = 6513482332800.

The previous prime is 13121330312029. The next prime is 13121330312063. The reversal of 13121330312032 is 23021303312131.

It is a junction number, because it is equal to n+sod(n) for n = 13121330311988 and 13121330312006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7664313 + ... + 9218695.

It is an arithmetic number, because the mean of its divisors is an integer number (542054114784).

Almost surely, 2^{13121330312032} is an apocalyptic number.

It is an amenable number.

13121330312032 is a deficient number, since it is larger than the sum of its proper divisors (12897267197600).

13121330312032 is a wasteful number, since it uses less digits than its factorization.

13121330312032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556291 (or 1556283 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 13121330312032 its reverse (23021303312131), we get a palindrome (36142633624163).

The spelling of 13121330312032 in words is "thirteen trillion, one hundred twenty-one billion, three hundred thirty million, three hundred twelve thousand, thirty-two".