12416455331621 has 8 divisors (see below), whose sum is σ = 13545394477824. Its totient is φ = 11287544598720.

The previous prime is 12416455331597. The next prime is 12416455331629. The reversal of 12416455331621 is 12613355461421.

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

It is a cyclic number.

It is not a de Polignac number, because 12416455331621 - 2¹⁴ = 12416455315237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12416455331629) 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, 6184436 + ... + 7942301.

It is an arithmetic number, because the mean of its divisors is an integer number (1693174309728).

Almost surely, 2^{12416455331621} is an apocalyptic number.

12416455331621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12416455331621 is a deficient number, since it is larger than the sum of its proper divisors (1128939146203).

12416455331621 is a wasteful number, since it uses less digits than its factorization.

12416455331621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14206651.

The product of its digits is 518400, while the sum is 44.

The spelling of 12416455331621 in words is "twelve trillion, four hundred sixteen billion, four hundred fifty-five million, three hundred thirty-one thousand, six hundred twenty-one".