12143020040012 has 48 divisors (see below), whose sum is σ = 22690757591040. Its totient is φ = 5672255516928.

The previous prime is 12143020040003. The next prime is 12143020040023. The reversal of 12143020040012 is 21004002034121.

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, 155483189 + ... + 155561267.

It is an arithmetic number, because the mean of its divisors is an integer number (472724116480).

Almost surely, 2^{12143020040012} is an apocalyptic number.

It is an amenable number.

12143020040012 is a deficient number, since it is larger than the sum of its proper divisors (10547737551028).

12143020040012 is a wasteful number, since it uses less digits than its factorization.

12143020040012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117462 (or 117460 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12143020040012 its reverse (21004002034121), we get a palindrome (33147022074133).

The spelling of 12143020040012 in words is "twelve trillion, one hundred forty-three billion, twenty million, forty thousand, twelve".