12041402142 has 32 divisors (see below), whose sum is σ = 30025315584. Its totient is φ = 3127636800.

The previous prime is 12041402119. The next prime is 12041402159. The reversal of 12041402142 is 24120414021.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 13031359 + ... + 13032282.

It is an arithmetic number, because the mean of its divisors is an integer number (938291112).

Almost surely, 2^12041402142 is an apocalyptic number.

12041402142 is an abundant number, since it is smaller than the sum of its proper divisors (17983913442).

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

12041402142 is a wasteful number, since it uses less digits than its factorization.

12041402142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26063664.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12041402142 its reverse (24120414021), we get a palindrome (36161816163).

The spelling of 12041402142 in words is "twelve billion, forty-one million, four hundred two thousand, one hundred forty-two".