12401626415221 has 8 divisors (see below), whose sum is σ = 12427002124704. Its totient is φ = 12376276483920.

The previous prime is 12401626415197. The next prime is 12401626415239. The reversal of 12401626415221 is 12251462610421.

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-12401626415221 is a prime.

It is a super-2 number, since 2×12401626415221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12401626415261) 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, 5481235 + ... + 7405888.

It is an arithmetic number, because the mean of its divisors is an integer number (1553375265588).

Almost surely, 2^{12401626415221} is an apocalyptic number.

It is an amenable number.

12401626415221 is a deficient number, since it is larger than the sum of its proper divisors (25375709483).

12401626415221 is a wasteful number, since it uses less digits than its factorization.

12401626415221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12889091.

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 12401626415221 in words is "twelve trillion, four hundred one billion, six hundred twenty-six million, four hundred fifteen thousand, two hundred twenty-one".