12426232131415 has 4 divisors (see below), whose sum is σ = 14911478557704. Its totient is φ = 9940985705128.

The previous prime is 12426232131353. The next prime is 12426232131421. The reversal of 12426232131415 is 51413123262421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12426232131415 - 2⁹ = 12426232130903 is a prime.

It is a super-2 number, since 2×12426232131415² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1242623213137 + ... + 1242623213146.

It is an arithmetic number, because the mean of its divisors is an integer number (3727869639426).

Almost surely, 2^{12426232131415} is an apocalyptic number.

12426232131415 is a deficient number, since it is larger than the sum of its proper divisors (2485246426289).

12426232131415 is an equidigital number, since it uses as much as digits as its factorization.

12426232131415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2485246426288.

The product of its digits is 69120, while the sum is 37.

Adding to 12426232131415 its reverse (51413123262421), we get a palindrome (63839355393836).

The spelling of 12426232131415 in words is "twelve trillion, four hundred twenty-six billion, two hundred thirty-two million, one hundred thirty-one thousand, four hundred fifteen".