12434540502 has 32 divisors (see below), whose sum is σ = 25027398144. Its totient is φ = 4118540000.

The previous prime is 12434540473. The next prime is 12434540527. The reversal of 12434540502 is 20504543421.

It is a self number, because there is not a number n which added to its sum of digits gives 12434540502.

It is a congruent number.

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, 639508 + ... + 658664.

It is an arithmetic number, because the mean of its divisors is an integer number (782106192).

Almost surely, 2^12434540502 is an apocalyptic number.

12434540502 is an abundant number, since it is smaller than the sum of its proper divisors (12592857642).

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

12434540502 is a wasteful number, since it uses less digits than its factorization.

12434540502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19844.

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 12434540502 in words is "twelve billion, four hundred thirty-four million, five hundred forty thousand, five hundred two".