2202121312 has 48 divisors (see below), whose sum is σ = 4367623680. Its totient is φ = 1092923392.

The previous prime is 2202121309. The next prime is 2202121319. The reversal of 2202121312 is 2131212022.

It is a happy number.

It is a super-3 number, since 3×2202121312³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202121319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4326114 + ... + 4326622.

It is an arithmetic number, because the mean of its divisors is an integer number (90992160).

Almost surely, 2^2202121312 is an apocalyptic number.

It is an amenable number.

2202121312 is a deficient number, since it is larger than the sum of its proper divisors (2165502368).

2202121312 is a wasteful number, since it uses less digits than its factorization.

2202121312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255 (or 1247 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2202121312 is about 46926.7654116497. The cubic root of 2202121312 is about 1301.0093368450.

Adding to 2202121312 its reverse (2131212022), we get a palindrome (4333333334).

The spelling of 2202121312 in words is "two billion, two hundred two million, one hundred twenty-one thousand, three hundred twelve".