13123231004120 has 16 divisors (see below), whose sum is σ = 29527269759360. Its totient is φ = 5249292401632.

The previous prime is 13123231004119. The next prime is 13123231004159. The reversal of 13123231004120 is 2140013232131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164040387512 + ... + 164040387591.

It is an arithmetic number, because the mean of its divisors is an integer number (1845454359960).

Almost surely, 2^{13123231004120} is an apocalyptic number.

13123231004120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13123231004120 is an abundant number, since it is smaller than the sum of its proper divisors (16404038755240).

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

13123231004120 is a wasteful number, since it uses less digits than its factorization.

13123231004120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328080775114 (or 328080775110 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13123231004120 its reverse (2140013232131), we get a palindrome (15263244236251).

The spelling of 13123231004120 in words is "thirteen trillion, one hundred twenty-three billion, two hundred thirty-one million, four thousand, one hundred twenty".