12534215510 has 8 divisors (see below), whose sum is σ = 22561587936. Its totient is φ = 5013686200.

The previous prime is 12534215509. The next prime is 12534215569. The reversal of 12534215510 is 1551243521.

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

It is a super-2 number, since 2×12534215510² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626710766 + ... + 626710785.

It is an arithmetic number, because the mean of its divisors is an integer number (2820198492).

Almost surely, 2^12534215510 is an apocalyptic number.

12534215510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12534215510 is a deficient number, since it is larger than the sum of its proper divisors (10027372426).

12534215510 is a wasteful number, since it uses less digits than its factorization.

12534215510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253421558.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 12534215510 in words is "twelve billion, five hundred thirty-four million, two hundred fifteen thousand, five hundred ten".