10312321211212 has 12 divisors (see below), whose sum is σ = 18050971276576. Its totient is φ = 5154900846480.

The previous prime is 10312321211201. The next prime is 10312321211243. The reversal of 10312321211212 is 21211212321301.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 314921364 + ... + 314954107.

Almost surely, 2^{10312321211212} is an apocalyptic number.

It is an amenable number.

10312321211212 is a deficient number, since it is larger than the sum of its proper divisors (7738650065364).

10312321211212 is a wasteful number, since it uses less digits than its factorization.

10312321211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629879568 (or 629879566 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 10312321211212 its reverse (21211212321301), we get a palindrome (31523533532513).

The spelling of 10312321211212 in words is "ten trillion, three hundred twelve billion, three hundred twenty-one million, two hundred eleven thousand, two hundred twelve".