12340743705126 has 24 divisors (see below), whose sum is σ = 26738875378800. Its totient is φ = 4113489334896.

The previous prime is 12340743705109. The next prime is 12340743705193. The reversal of 12340743705126 is 62150734704321.

It is a happy number.

12340743705126 is a `hidden beast` number, since 1 + 2 + 34 + 0 + 74 + 37 + 0 + 512 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6827826 + ... + 8443973.

It is an arithmetic number, because the mean of its divisors is an integer number (1114119807450).

Almost surely, 2^{12340743705126} is an apocalyptic number.

12340743705126 is an abundant number, since it is smaller than the sum of its proper divisors (14398131673674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12340743705126 is a wasteful number, since it uses less digits than its factorization.

12340743705126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15316700 (or 15316697 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 12340743705126 in words is "twelve trillion, three hundred forty billion, seven hundred forty-three million, seven hundred five thousand, one hundred twenty-six".