12144040202 has 32 divisors (see below), whose sum is σ = 22458892032. Its totient is φ = 4806008064.

The previous prime is 12144040199. The next prime is 12144040213. The reversal of 12144040202 is 20204044121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468758 + ... + 493985.

It is an arithmetic number, because the mean of its divisors is an integer number (701840376).

Almost surely, 2^12144040202 is an apocalyptic number.

12144040202 is a deficient number, since it is larger than the sum of its proper divisors (10314851830).

12144040202 is a wasteful number, since it uses less digits than its factorization.

12144040202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962822.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 12144040202 its reverse (20204044121), we get a palindrome (32348084323).

The spelling of 12144040202 in words is "twelve billion, one hundred forty-four million, forty thousand, two hundred two".