12040213042 has 32 divisors (see below), whose sum is σ = 22465828224. Its totient is φ = 4754668800.

The previous prime is 12040213033. The next prime is 12040213117. The reversal of 12040213042 is 24031204021.

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, 1233334 + ... + 1243057.

It is an arithmetic number, because the mean of its divisors is an integer number (702057132).

Almost surely, 2^12040213042 is an apocalyptic number.

12040213042 is a deficient number, since it is larger than the sum of its proper divisors (10425615182).

12040213042 is a wasteful number, since it uses less digits than its factorization.

12040213042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2476434.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12040213042 its reverse (24031204021), we get a palindrome (36071417063).

The spelling of 12040213042 in words is "twelve billion, forty million, two hundred thirteen thousand, forty-two".