10312223212 has 12 divisors (see below), whose sum is σ = 18080899816. Its totient is φ = 5146251840.

The previous prime is 10312223177. The next prime is 10312223221. The reversal of 10312223212 is 21232221301.

It is a super-2 number, since 2×10312223212² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10312223212.

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, 2462589 + ... + 2466772.

Almost surely, 2^10312223212 is an apocalyptic number.

It is an amenable number.

10312223212 is a deficient number, since it is larger than the sum of its proper divisors (7768676604).

10312223212 is a wasteful number, since it uses less digits than its factorization.

10312223212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4929888 (or 4929886 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10312223212 its reverse (21232221301), we get a palindrome (31544444513).

The spelling of 10312223212 in words is "ten billion, three hundred twelve million, two hundred twenty-three thousand, two hundred twelve".