12613121031110 has 32 divisors (see below), whose sum is σ = 23690956386240. Its totient is φ = 4825844011648.

The previous prime is 12613121031109. The next prime is 12613121031127. The reversal of 12613121031110 is 1113012131621.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

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, 33607976 + ... + 33981204.

It is an arithmetic number, because the mean of its divisors is an integer number (740342387070).

Almost surely, 2^{12613121031110} is an apocalyptic number.

12613121031110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12613121031110 is a deficient number, since it is larger than the sum of its proper divisors (11077835355130).

12613121031110 is a wasteful number, since it uses less digits than its factorization.

12613121031110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520192.

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 12613121031110 its reverse (1113012131621), we get a palindrome (13726133162731).

The spelling of 12613121031110 in words is "twelve trillion, six hundred thirteen billion, one hundred twenty-one million, thirty-one thousand, one hundred ten".