2122104013212 has 48 divisors (see below), whose sum is σ = 5242975395840. Its totient is φ = 665741590272.

The previous prime is 2122104013207. The next prime is 2122104013219. The reversal of 2122104013212 is 2123104012212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122104013219) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10079283 + ... + 10287669.

It is an arithmetic number, because the mean of its divisors is an integer number (109228654080).

Almost surely, 2^{2122104013212} is an apocalyptic number.

It is an amenable number.

2122104013212 is an abundant number, since it is smaller than the sum of its proper divisors (3120871382628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2122104013212 is a wasteful number, since it uses less digits than its factorization.

2122104013212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258330 (or 258328 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 2122104013212 its reverse (2123104012212), we get a palindrome (4245208025424).

The spelling of 2122104013212 in words is "two trillion, one hundred twenty-two billion, one hundred four million, thirteen thousand, two hundred twelve".