12040424142 has 16 divisors (see below), whose sum is σ = 24535204560. Its totient is φ = 3937748672.

The previous prime is 12040424119. The next prime is 12040424159. The reversal of 12040424142 is 24142404021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18931167 + ... + 18931802.

It is an arithmetic number, because the mean of its divisors is an integer number (1533450285).

Almost surely, 2^12040424142 is an apocalyptic number.

12040424142 is an abundant number, since it is smaller than the sum of its proper divisors (12494780418).

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

12040424142 is a wasteful number, since it uses less digits than its factorization.

12040424142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37863027.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 12040424142 its reverse (24142404021), we get a palindrome (36182828163).

The spelling of 12040424142 in words is "twelve billion, forty million, four hundred twenty-four thousand, one hundred forty-two".