2232121312 has 12 divisors (see below), whose sum is σ = 4394488896. Its totient is φ = 1116060640.

The previous prime is 2232121279. The next prime is 2232121327. The reversal of 2232121312 is 2131212322.

It is a super-3 number, since 3×2232121312³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2232121312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34876864 + ... + 34876927.

It is an arithmetic number, because the mean of its divisors is an integer number (366207408).

Almost surely, 2^2232121312 is an apocalyptic number.

It is an amenable number.

2232121312 is a deficient number, since it is larger than the sum of its proper divisors (2162367584).

2232121312 is an equidigital number, since it uses as much as digits as its factorization.

2232121312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69753801 (or 69753793 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 2232121312 is about 47245.3311132433. The cubic root of 2232121312 is about 1306.8906916092.

Adding to 2232121312 its reverse (2131212322), we get a palindrome (4363333634).

The spelling of 2232121312 in words is "two billion, two hundred thirty-two million, one hundred twenty-one thousand, three hundred twelve".