12210144156 has 72 divisors (see below), whose sum is σ = 35285743584. Its totient is φ = 3487426560.

The previous prime is 12210144101. The next prime is 12210144157. The reversal of 12210144156 is 65144101221.

12210144156 is a `hidden beast` number, since 1 + 2 + 210 + 1 + 441 + 5 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210144157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 959596 + ... + 972236.

It is an arithmetic number, because the mean of its divisors is an integer number (490079772).

Almost surely, 2^12210144156 is an apocalyptic number.

It is an amenable number.

12210144156 is an abundant number, since it is smaller than the sum of its proper divisors (23075599428).

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

12210144156 is a wasteful number, since it uses less digits than its factorization.

12210144156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16491 (or 16486 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 12210144156 its reverse (65144101221), we get a palindrome (77354245377).

The spelling of 12210144156 in words is "twelve billion, two hundred ten million, one hundred forty-four thousand, one hundred fifty-six".