12200002000 has 40 divisors (see below), whose sum is σ = 29499609672. Its totient is φ = 4880000000.

The previous prime is 12200001991. The next prime is 12200002037. The reversal of 12200002000 is 20000221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 30382144 + 12169619856 = 5512^2 + 110316^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3048001 + ... + 3052000.

Almost surely, 2^12200002000 is an apocalyptic number.

12200002000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12200002000 is an abundant number, since it is smaller than the sum of its proper divisors (17299607672).

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

12200002000 is an equidigital number, since it uses as much as digits as its factorization.

12200002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100024 (or 6100008 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 12200002000 its reverse (20000221), we get a palindrome (12220002221).

The spelling of 12200002000 in words is "twelve billion, two hundred million, two thousand".