12043315015426 has 32 divisors (see below), whose sum is σ = 18596715350400. Its totient is φ = 5846200894464.

The previous prime is 12043315015411. The next prime is 12043315015441. The reversal of 12043315015426 is 62451051334021.

It is an interprime number because it is at equal distance from previous prime (12043315015411) and next prime (12043315015441).

It is a super-2 number, since 2×12043315015426² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9562536 + ... + 10748428.

It is an arithmetic number, because the mean of its divisors is an integer number (581147354700).

Almost surely, 2^{12043315015426} is an apocalyptic number.

12043315015426 is a deficient number, since it is larger than the sum of its proper divisors (6553400334974).

12043315015426 is a wasteful number, since it uses less digits than its factorization.

12043315015426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186650.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 12043315015426 its reverse (62451051334021), we get a palindrome (74494366349447).

The spelling of 12043315015426 in words is "twelve trillion, forty-three billion, three hundred fifteen million, fifteen thousand, four hundred twenty-six".