12150131440 has 20 divisors (see below), whose sum is σ = 28249055784. Its totient is φ = 4860052544.

The previous prime is 12150131417. The next prime is 12150131453. The reversal of 12150131440 is 4413105121.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75938242 + ... + 75938401.

Almost surely, 2^12150131440 is an apocalyptic number.

12150131440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12150131440 is an abundant number, since it is smaller than the sum of its proper divisors (16098924344).

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

12150131440 is a wasteful number, since it uses less digits than its factorization.

12150131440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151876656 (or 151876650 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 12150131440 its reverse (4413105121), we get a palindrome (16563236561).

The spelling of 12150131440 in words is "twelve billion, one hundred fifty million, one hundred thirty-one thousand, four hundred forty".