12033400140 has 36 divisors (see below), whose sum is σ = 36501314304. Its totient is φ = 3208906656.

The previous prime is 12033400123. The next prime is 12033400151. The reversal of 12033400140 is 4100433021.

12033400140 is a `hidden beast` number, since 120 + 3 + 3 + 400 + 140 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33425932 + ... + 33426291.

Almost surely, 2^12033400140 is an apocalyptic number.

12033400140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12033400140 is an abundant number, since it is smaller than the sum of its proper divisors (24467914164).

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

12033400140 is a wasteful number, since it uses less digits than its factorization.

12033400140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66852238 (or 66852233 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12033400140 its reverse (4100433021), we get a palindrome (16133833161).

The spelling of 12033400140 in words is "twelve billion, thirty-three million, four hundred thousand, one hundred forty".