2331021212 has 24 divisors (see below), whose sum is σ = 4486552896. Its totient is φ = 1052964288.

The previous prime is 2331021197. The next prime is 2331021263. The reversal of 2331021212 is 2121201332.

2331021212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474443 + ... + 479330.

It is an arithmetic number, because the mean of its divisors is an integer number (186939704).

Almost surely, 2^2331021212 is an apocalyptic number.

It is an amenable number.

2331021212 is a deficient number, since it is larger than the sum of its proper divisors (2155531684).

2331021212 is a wasteful number, since it uses less digits than its factorization.

2331021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953837 (or 953835 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2331021212 is about 48280.6504927181. The cubic root of 2331021212 is about 1325.9141596064.

Adding to 2331021212 its reverse (2121201332), we get a palindrome (4452222544).

The spelling of 2331021212 in words is "two billion, three hundred thirty-one million, twenty-one thousand, two hundred twelve".