10323221312 has 28 divisors (see below), whose sum is σ = 20687978436. Its totient is φ = 5110502400.

The previous prime is 10323221299. The next prime is 10323221317. The reversal of 10323221312 is 21312232301.

It can be written as a sum of positive squares in 2 ways, for example, as 9528883456 + 794337856 = 97616^2 + 28184^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10323221317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 792053 + ... + 804980.

Almost surely, 2^10323221312 is an apocalyptic number.

It is an amenable number.

10323221312 is an abundant number, since it is smaller than the sum of its proper divisors (10364757124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10323221312 is a wasteful number, since it uses less digits than its factorization.

10323221312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597146 (or 1597136 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 10323221312 its reverse (21312232301), we get a palindrome (31635453613).

The spelling of 10323221312 in words is "ten billion, three hundred twenty-three million, two hundred twenty-one thousand, three hundred twelve".