12455494104021 has 8 divisors (see below), whose sum is σ = 16607619160704. Its totient is φ = 8303515891680.

The previous prime is 12455494104017. The next prime is 12455494104023. The reversal of 12455494104021 is 12040149455421.

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

It is not a de Polignac number, because 12455494104021 - 2² = 12455494104017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12455494104023) 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, 36513016 + ... + 36852561.

It is an arithmetic number, because the mean of its divisors is an integer number (2075952395088).

Almost surely, 2^{12455494104021} is an apocalyptic number.

It is an amenable number.

12455494104021 is a deficient number, since it is larger than the sum of its proper divisors (4152125056683).

12455494104021 is an equidigital number, since it uses as much as digits as its factorization.

12455494104021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73422171.

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 12455494104021 in words is "twelve trillion, four hundred fifty-five billion, four hundred ninety-four million, one hundred four thousand, twenty-one".