2321213130212 has 24 divisors (see below), whose sum is σ = 4301151725304. Its totient is φ = 1092315187712.

The previous prime is 2321213130169. The next prime is 2321213130251. The reversal of 2321213130212 is 2120313121232.

It can be written as a sum of positive squares in 4 ways, for example, as 228659937856 + 2092553192356 = 478184^2 + 1446566^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3722498 + ... + 4301094.

It is an arithmetic number, because the mean of its divisors is an integer number (179214655221).

Almost surely, 2^{2321213130212} is an apocalyptic number.

It is an amenable number.

2321213130212 is a deficient number, since it is larger than the sum of its proper divisors (1979938595092).

2321213130212 is a wasteful number, since it uses less digits than its factorization.

2321213130212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637615 (or 637613 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2321213130212 its reverse (2120313121232), we get a palindrome (4441526251444).

The spelling of 2321213130212 in words is "two trillion, three hundred twenty-one billion, two hundred thirteen million, one hundred thirty thousand, two hundred twelve".