40231213112 has 16 divisors (see below), whose sum is σ = 76712059800. Its totient is φ = 19774663840.

The previous prime is 40231213067. The next prime is 40231213151. The reversal of 40231213112 is 21131213204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42617339 + ... + 42618282.

Almost surely, 2^40231213112 is an apocalyptic number.

It is an amenable number.

40231213112 is a deficient number, since it is larger than the sum of its proper divisors (36480846688).

40231213112 is a wasteful number, since it uses less digits than its factorization.

40231213112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85235686 (or 85235682 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 40231213112 its reverse (21131213204), we get a palindrome (61362426316).

The spelling of 40231213112 in words is "forty billion, two hundred thirty-one million, two hundred thirteen thousand, one hundred twelve".