13021121212010 has 16 divisors (see below), whose sum is σ = 24457062450816. Its totient is φ = 4981994202768.

The previous prime is 13021121211983. The next prime is 13021121212027. The reversal of 13021121212010 is 1021212112031.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13021121212010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28306785014 + ... + 28306785473.

It is an arithmetic number, because the mean of its divisors is an integer number (1528566403176).

Almost surely, 2^{13021121212010} is an apocalyptic number.

13021121212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13021121212010 is a deficient number, since it is larger than the sum of its proper divisors (11435941238806).

13021121212010 is a wasteful number, since it uses less digits than its factorization.

13021121212010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56613570517.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 13021121212010 its reverse (1021212112031), we get a palindrome (14042333324041).

The spelling of 13021121212010 in words is "thirteen trillion, twenty-one billion, one hundred twenty-one million, two hundred twelve thousand, ten".