2012133400 has 48 divisors (see below), whose sum is σ = 4787026200. Its totient is φ = 786132480.

The previous prime is 2012133359. The next prime is 2012133433. The reversal of 2012133400 is 43312102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108385 + ... + 125584.

Almost surely, 2^2012133400 is an apocalyptic number.

2012133400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012133400 is an abundant number, since it is smaller than the sum of its proper divisors (2774892800).

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

2012133400 is a wasteful number, since it uses less digits than its factorization.

2012133400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234028 (or 234019 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2012133400 is about 44856.8099623680. The cubic root of 2012133400 is about 1262.4637691789.

Adding to 2012133400 its reverse (43312102), we get a palindrome (2055445502).

The spelling of 2012133400 in words is "two billion, twelve million, one hundred thirty-three thousand, four hundred".