12535323510 has 32 divisors (see below), whose sum is σ = 30376869120. Its totient is φ = 3310298208.

The previous prime is 12535323467. The next prime is 12535323523. The reversal of 12535323510 is 1532353521.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 2025280 + ... + 2031459.

It is an arithmetic number, because the mean of its divisors is an integer number (949277160).

Almost surely, 2^12535323510 is an apocalyptic number.

12535323510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12535323510 is an abundant number, since it is smaller than the sum of its proper divisors (17841545610).

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

12535323510 is a wasteful number, since it uses less digits than its factorization.

12535323510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4056852.

The product of its (nonzero) digits is 13500, while the sum is 30.

The spelling of 12535323510 in words is "twelve billion, five hundred thirty-five million, three hundred twenty-three thousand, five hundred ten".