12141440144 has 20 divisors (see below), whose sum is σ = 23571966000. Its totient is φ = 6058352160.

The previous prime is 12141440117. The next prime is 12141440177. The reversal of 12141440144 is 44104414121.

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, 764894 + ... + 780605.

It is an arithmetic number, because the mean of its divisors is an integer number (1178598300).

Almost surely, 2^12141440144 is an apocalyptic number.

It is an amenable number.

12141440144 is a deficient number, since it is larger than the sum of its proper divisors (11430525856).

12141440144 is a wasteful number, since it uses less digits than its factorization.

12141440144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545998 (or 1545992 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 12141440144 its reverse (44104414121), we get a palindrome (56245854265).

The spelling of 12141440144 in words is "twelve billion, one hundred forty-one million, four hundred forty thousand, one hundred forty-four".