2101312332212 has 48 divisors (see below), whose sum is σ = 3742432686720. Its totient is φ = 1032218529408.

The previous prime is 2101312332187. The next prime is 2101312332307. The reversal of 2101312332212 is 2122332131012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83197778 + ... + 83223030.

It is an arithmetic number, because the mean of its divisors is an integer number (77967347640).

Almost surely, 2^{2101312332212} is an apocalyptic number.

It is an amenable number.

2101312332212 is a deficient number, since it is larger than the sum of its proper divisors (1641120354508).

2101312332212 is a wasteful number, since it uses less digits than its factorization.

2101312332212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26952 (or 26950 counting only the distinct ones).

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

Adding to 2101312332212 its reverse (2122332131012), we get a palindrome (4223644463224).

The spelling of 2101312332212 in words is "two trillion, one hundred one billion, three hundred twelve million, three hundred thirty-two thousand, two hundred twelve".