2012402203400 has 48 divisors (see below), whose sum is σ = 4954060726740. Its totient is φ = 757610240000.

The previous prime is 2012402203393. The next prime is 2012402203421. The reversal of 2012402203400 is 43022042102.

It can be written as a sum of positive squares in 6 ways, for example, as 435333400804 + 1577068802596 = 659798^2 + 1255814^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 295938101 + ... + 295944900.

Almost surely, 2^{2012402203400} is an apocalyptic number.

2012402203400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012402203400 is an abundant number, since it is smaller than the sum of its proper divisors (2941658523340).

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

2012402203400 is a wasteful number, since it uses less digits than its factorization.

2012402203400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591883034 (or 591883025 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 2012402203400 its reverse (43022042102), we get a palindrome (2055424245502).

The spelling of 2012402203400 in words is "two trillion, twelve billion, four hundred two million, two hundred three thousand, four hundred".