10312121222 has 16 divisors (see below), whose sum is σ = 17637927552. Its totient is φ = 4479473280.

The previous prime is 10312121207. The next prime is 10312121233. The reversal of 10312121222 is 22212121301.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 10312121222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11664854 + ... + 11665737.

It is an arithmetic number, because the mean of its divisors is an integer number (1102370472).

Almost surely, 2^10312121222 is an apocalyptic number.

10312121222 is a deficient number, since it is larger than the sum of its proper divisors (7325806330).

10312121222 is a wasteful number, since it uses less digits than its factorization.

10312121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23330623.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 10312121222 its reverse (22212121301), we get a palindrome (32524242523).

The spelling of 10312121222 in words is "ten billion, three hundred twelve million, one hundred twenty-one thousand, two hundred twenty-two".