12551323110 has 32 divisors (see below), whose sum is σ = 30633742080. Its totient is φ = 3290289888.

The previous prime is 12551323097. The next prime is 12551323133. The reversal of 12551323110 is 1132315521.

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, 3543802 + ... + 3547341.

It is an arithmetic number, because the mean of its divisors is an integer number (957304440).

Almost surely, 2^12551323110 is an apocalyptic number.

12551323110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12551323110 is an abundant number, since it is smaller than the sum of its proper divisors (18082418970).

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

12551323110 is a wasteful number, since it uses less digits than its factorization.

12551323110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7091212.

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 12551323110 its reverse (1132315521), we get a palindrome (13683638631).

The spelling of 12551323110 in words is "twelve billion, five hundred fifty-one million, three hundred twenty-three thousand, one hundred ten".