12140244720 has 60 divisors (see below), whose sum is σ = 40770990936. Its totient is φ = 3237398400.

The previous prime is 12140244719. The next prime is 12140244737. The reversal of 12140244720 is 2744204121.

12140244720 is a `hidden beast` number, since 1 + 214 + 0 + 2 + 447 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×12140244720² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8430006 + ... + 8431445.

Almost surely, 2^12140244720 is an apocalyptic number.

12140244720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12140244720 is an abundant number, since it is smaller than the sum of its proper divisors (28630746216).

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

12140244720 is a wasteful number, since it uses less digits than its factorization.

12140244720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16861470 (or 16861461 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

Adding to 12140244720 its reverse (2744204121), we get a palindrome (14884448841).

The spelling of 12140244720 in words is "twelve billion, one hundred forty million, two hundred forty-four thousand, seven hundred twenty".