12200121331 has 32 divisors (see below), whose sum is σ = 13777920000. Its totient is φ = 10748868480.

The previous prime is 12200121319. The next prime is 12200121343. The reversal of 12200121331 is 13312100221.

It is an interprime number because it is at equal distance from previous prime (12200121319) and next prime (12200121343).

It is not a de Polignac number, because 12200121331 - 2¹⁷ = 12199990259 is a prime.

It is a super-2 number, since 2×12200121331² (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 (12200121361) 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, 3909990 + ... + 3913108.

It is an arithmetic number, because the mean of its divisors is an integer number (430560000).

Almost surely, 2^12200121331 is an apocalyptic number.

12200121331 is a deficient number, since it is larger than the sum of its proper divisors (1577798669).

12200121331 is a wasteful number, since it uses less digits than its factorization.

12200121331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3427.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12200121331 its reverse (13312100221), we get a palindrome (25512221552).

The spelling of 12200121331 in words is "twelve billion, two hundred million, one hundred twenty-one thousand, three hundred thirty-one".