12040140112 has 160 divisors (see below), whose sum is σ = 33164377344. Its totient is φ = 4075315200.

The previous prime is 12040140103. The next prime is 12040140121. The reversal of 12040140112 is 21104104021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12040140103) and next prime (12040140121).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250162 + ... + 294382.

Almost surely, 2^12040140112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12040140112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16582188672).

12040140112 is an abundant number, since it is smaller than the sum of its proper divisors (21124237232).

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

12040140112 is a wasteful number, since it uses less digits than its factorization.

12040140112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44277 (or 44271 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12040140112 its reverse (21104104021), we get a palindrome (33144244133).

The spelling of 12040140112 in words is "twelve billion, forty million, one hundred forty thousand, one hundred twelve".