10323220312 has 8 divisors (see below), whose sum is σ = 19356038100. Its totient is φ = 5161610152.

The previous prime is 10323220307. The next prime is 10323220319. The reversal of 10323220312 is 21302232301.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×10323220312² (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 10323220312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10323220319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 645201262 + ... + 645201277.

Almost surely, 2^10323220312 is an apocalyptic number.

It is an amenable number.

10323220312 is a deficient number, since it is larger than the sum of its proper divisors (9032817788).

10323220312 is a wasteful number, since it uses less digits than its factorization.

10323220312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290402545 (or 1290402541 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 10323220312 its reverse (21302232301), we get a palindrome (31625452613).

The spelling of 10323220312 in words is "ten billion, three hundred twenty-three million, two hundred twenty thousand, three hundred twelve".