2200400012 has 12 divisors (see below), whose sum is σ = 3856693176. Its totient is φ = 1098487680.

The previous prime is 2200400011. The next prime is 2200400017. The reversal of 2200400012 is 2100040022.

It is a junction number, because it is equal to n+sod(n) for n = 2200399966 and 2200400002.

It is not an unprimeable number, because it can be changed into a prime (2200400011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425189 + ... + 430332.

It is an arithmetic number, because the mean of its divisors is an integer number (321391098).

Almost surely, 2^2200400012 is an apocalyptic number.

It is an amenable number.

2200400012 is a deficient number, since it is larger than the sum of its proper divisors (1656293164).

2200400012 is a wasteful number, since it uses less digits than its factorization.

2200400012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856168 (or 856166 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2200400012 is about 46908.4215466690. The cubic root of 2200400012 is about 1300.6702681632.

Adding to 2200400012 its reverse (2100040022), we get a palindrome (4300440034).

The spelling of 2200400012 in words is "two billion, two hundred million, four hundred thousand, twelve".