12536729430 has 32 divisors (see below), whose sum is σ = 30130639200. Its totient is φ = 3338406912.

The previous prime is 12536729419. The next prime is 12536729453. The reversal of 12536729430 is 3492763521.

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, 273435 + ... + 315974.

It is an arithmetic number, because the mean of its divisors is an integer number (941582475).

Almost surely, 2^12536729430 is an apocalyptic number.

12536729430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12536729430 is an abundant number, since it is smaller than the sum of its proper divisors (17593909770).

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

12536729430 is a wasteful number, since it uses less digits than its factorization.

12536729430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590128.

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 12536729430 in words is "twelve billion, five hundred thirty-six million, seven hundred twenty-nine thousand, four hundred thirty".