13123255214021 has 8 divisors (see below), whose sum is σ = 13402526759040. Its totient is φ = 12843985891968.

The previous prime is 13123255213921. The next prime is 13123255214039. The reversal of 13123255214021 is 12041255232131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13123255214021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123255214221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17668085 + ... + 18395861.

It is an arithmetic number, because the mean of its divisors is an integer number (1675315844880).

Almost surely, 2^{13123255214021} is an apocalyptic number.

It is an amenable number.

13123255214021 is a deficient number, since it is larger than the sum of its proper divisors (279271545019).

13123255214021 is an equidigital number, since it uses as much as digits as its factorization.

13123255214021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111483.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 13123255214021 in words is "thirteen trillion, one hundred twenty-three billion, two hundred fifty-five million, two hundred fourteen thousand, twenty-one".