12251311320 has 64 divisors (see below), whose sum is σ = 36959328000. Its totient is φ = 3248759168.

The previous prime is 12251311313. The next prime is 12251311327. The reversal of 12251311320 is 2311315221.

12251311320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12251311313) and next prime (12251311327).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12251311327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263700 + ... + 306659.

It is an arithmetic number, because the mean of its divisors is an integer number (577489500).

Almost surely, 2^12251311320 is an apocalyptic number.

12251311320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12251311320 is an abundant number, since it is smaller than the sum of its proper divisors (24708016680).

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

12251311320 is a wasteful number, since it uses less digits than its factorization.

12251311320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570552 (or 570548 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 12251311320 its reverse (2311315221), we get a palindrome (14562626541).

The spelling of 12251311320 in words is "twelve billion, two hundred fifty-one million, three hundred eleven thousand, three hundred twenty".