10321213172 has 12 divisors (see below), whose sum is σ = 18290758080. Its totient is φ = 5095282296.

The previous prime is 10321213171. The next prime is 10321213181. The reversal of 10321213172 is 27131212301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10321213171) 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, 16330718 + ... + 16331349.

It is an arithmetic number, because the mean of its divisors is an integer number (1524229840).

Almost surely, 2^10321213172 is an apocalyptic number.

It is an amenable number.

10321213172 is a deficient number, since it is larger than the sum of its proper divisors (7969544908).

10321213172 is a wasteful number, since it uses less digits than its factorization.

10321213172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32662150 (or 32662148 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 10321213172 its reverse (27131212301), we get a palindrome (37452425473).

The spelling of 10321213172 in words is "ten billion, three hundred twenty-one million, two hundred thirteen thousand, one hundred seventy-two".