12511214044 has 48 divisors (see below), whose sum is σ = 26122457088. Its totient is φ = 5126444928.

The previous prime is 12511214041. The next prime is 12511214047. The reversal of 12511214044 is 44041211521.

It is an interprime number because it is at equal distance from previous prime (12511214041) and next prime (12511214047).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12511214041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2311189 + ... + 2316595.

It is an arithmetic number, because the mean of its divisors is an integer number (544217856).

Almost surely, 2^12511214044 is an apocalyptic number.

12511214044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12511214044 is an abundant number, since it is smaller than the sum of its proper divisors (13611243044).

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

12511214044 is a wasteful number, since it uses less digits than its factorization.

12511214044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9034 (or 9032 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 12511214044 its reverse (44041211521), we get a palindrome (56552425565).

The spelling of 12511214044 in words is "twelve billion, five hundred eleven million, two hundred fourteen thousand, forty-four".