212132312222312 has 16 divisors (see below), whose sum is σ = 397758128379360. Its totient is φ = 106063477987824.

The previous prime is 212132312222291. The next prime is 212132312222359. The reversal of 212132312222312 is 213222213231212.

212132312222312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212132312222312² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334428758 + ... + 335062469.

It is an arithmetic number, because the mean of its divisors is an integer number (24859883023710).

Almost surely, 2^{212132312222312} is an apocalyptic number.

It is an amenable number.

212132312222312 is a deficient number, since it is larger than the sum of its proper divisors (185625816157048).

212132312222312 is a wasteful number, since it uses less digits than its factorization.

212132312222312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669530840 (or 669530836 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

Adding to 212132312222312 its reverse (213222213231212), we get a palindrome (425354525453524).

The spelling of 212132312222312 in words is "two hundred twelve trillion, one hundred thirty-two billion, three hundred twelve million, two hundred twenty-two thousand, three hundred twelve".