12700992200 has 108 divisors (see below), whose sum is σ = 32028311385. Its totient is φ = 4681946880.

The previous prime is 12700992191. The next prime is 12700992223. The reversal of 12700992200 is 229900721.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 14 ways, for example, as 11518870276 + 1182121924 = 107326^2 + 34382^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=79690.

It is a super-2 number, since 2×12700992200² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 20719094 + ... + 20719706.

Almost surely, 2^12700992200 is an apocalyptic number.

12700992200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12700992200

12700992200 is an abundant number, since it is smaller than the sum of its proper divisors (19327319185).

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

12700992200 is an equidigital number, since it uses as much as digits as its factorization.

12700992200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

Multiplying 12700992200 by its sum of digits (32), we get a square (406431750400 = 637520²).

The spelling of 12700992200 in words is "twelve billion, seven hundred million, nine hundred ninety-two thousand, two hundred".