12251522514 has 64 divisors (see below), whose sum is σ = 30563085312. Its totient is φ = 3180772800.

The previous prime is 12251522509. The next prime is 12251522519. The reversal of 12251522514 is 41522515221.

It is an interprime number because it is at equal distance from previous prime (12251522509) and next prime (12251522519).

It is a super-2 number, since 2×12251522514² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12251522519) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1343109 + ... + 1352199.

It is an arithmetic number, because the mean of its divisors is an integer number (477548208).

Almost surely, 2^12251522514 is an apocalyptic number.

12251522514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12251522514 is an abundant number, since it is smaller than the sum of its proper divisors (18311562798).

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

12251522514 is a wasteful number, since it uses less digits than its factorization.

12251522514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12031.

The product of its digits is 8000, while the sum is 30.

The spelling of 12251522514 in words is "twelve billion, two hundred fifty-one million, five hundred twenty-two thousand, five hundred fourteen".