10312121304 has 48 divisors (see below), whose sum is σ = 27934194600. Its totient is φ = 3436692864.

The previous prime is 10312121291. The next prime is 10312121317. The reversal of 10312121304 is 40312121301.

It is an interprime number because it is at equal distance from previous prime (10312121291) and next prime (10312121317).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 462067 + ... + 483869.

Almost surely, 2^10312121304 is an apocalyptic number.

It is an amenable number.

10312121304 is an abundant number, since it is smaller than the sum of its proper divisors (17622073296).

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

10312121304 is a wasteful number, since it uses less digits than its factorization.

10312121304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28384 (or 28377 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 10312121304 its reverse (40312121301), we get a palindrome (50624242605).

The spelling of 10312121304 in words is "ten billion, three hundred twelve million, one hundred twenty-one thousand, three hundred four".