12200112121 has 8 divisors (see below), whose sum is σ = 12361466880. Its totient is φ = 12038930592.

The previous prime is 12200112107. The next prime is 12200112143. The reversal of 12200112121 is 12121100221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12200112121 - 2¹¹ = 12200110073 is a prime.

It is a super-2 number, since 2×12200112121² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12200112181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101661 + ... + 186373.

It is an arithmetic number, because the mean of its divisors is an integer number (1545183360).

Almost surely, 2^12200112121 is an apocalyptic number.

It is an amenable number.

12200112121 is a deficient number, since it is larger than the sum of its proper divisors (161354759).

12200112121 is an equidigital number, since it uses as much as digits as its factorization.

12200112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86615.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12200112121 its reverse (12121100221), we get a palindrome (24321212342).

The spelling of 12200112121 in words is "twelve billion, two hundred million, one hundred twelve thousand, one hundred twenty-one".