12340513501234 has 8 divisors (see below), whose sum is σ = 18510888825900. Its totient is φ = 6170217225936.

The previous prime is 12340513501213. The next prime is 12340513501241. The reversal of 12340513501234 is 43210531504321.

It can be written as a sum of positive squares in 2 ways, for example, as 11018250390625 + 1322263110609 = 3319375^2 + 1149897^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12340513501234.

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, 19370509 + ... + 19997440.

Almost surely, 2^{12340513501234} is an apocalyptic number.

12340513501234 is a deficient number, since it is larger than the sum of its proper divisors (6170375324666).

12340513501234 is a wasteful number, since it uses less digits than its factorization.

12340513501234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39524684.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 12340513501234 in words is "twelve trillion, three hundred forty billion, five hundred thirteen million, five hundred one thousand, two hundred thirty-four".