12200112021 has 32 divisors (see below), whose sum is σ = 17295989760. Its totient is φ = 7627862016.

The previous prime is 12200112017. The next prime is 12200112061. The reversal of 12200112021 is 12021100221.

It is not a de Polignac number, because 12200112021 - 2² = 12200112017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12200111988 and 12200112006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200112011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2443890 + ... + 2448876.

It is an arithmetic number, because the mean of its divisors is an integer number (540499680).

Almost surely, 2^12200112021 is an apocalyptic number.

It is an amenable number.

12200112021 is a deficient number, since it is larger than the sum of its proper divisors (5095877739).

12200112021 is a wasteful number, since it uses less digits than its factorization.

12200112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5433.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12200112021 its reverse (12021100221), we get a palindrome (24221212242).

The spelling of 12200112021 in words is "twelve billion, two hundred million, one hundred twelve thousand, twenty-one".