12415344351421 has 8 divisors (see below), whose sum is σ = 14340718609344. Its totient is φ = 10622754525120.

The previous prime is 12415344351413. The next prime is 12415344351437.

12415344351421 is nontrivially palindromic in base 10.

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 12415344351421 - 2³ = 12415344351413 is a prime.

It is a super-2 number, since 2×12415344351421² (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 (12415344351451) 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, 33196107705 + ... + 33196108078.

It is an arithmetic number, because the mean of its divisors is an integer number (1792589826168).

Almost surely, 2^{12415344351421} is an apocalyptic number.

12415344351421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12415344351421 is a deficient number, since it is larger than the sum of its proper divisors (1925374257923).

12415344351421 is a wasteful number, since it uses less digits than its factorization.

12415344351421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66392215811.

The product of its digits is 230400, while the sum is 40.

It can be divided in two parts, 1241534 and 4351421, that added together give a palindrome (5592955).

The spelling of 12415344351421 in words is "twelve trillion, four hundred fifteen billion, three hundred forty-four million, three hundred fifty-one thousand, four hundred twenty-one".