13120000312 has 8 divisors (see below), whose sum is σ = 24600000600. Its totient is φ = 6560000152.

The previous prime is 13120000307. The next prime is 13120000343. The reversal of 13120000312 is 21300002131.

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

It is a junction number, because it is equal to n+sod(n) for n = 13120000292 and 13120000301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820000012 + ... + 820000027.

It is an arithmetic number, because the mean of its divisors is an integer number (3075000075).

Almost surely, 2^13120000312 is an apocalyptic number.

It is an amenable number.

13120000312 is a deficient number, since it is larger than the sum of its proper divisors (11480000288).

13120000312 is a wasteful number, since it uses less digits than its factorization.

13120000312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640000045 (or 1640000041 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 13120000312 its reverse (21300002131), we get a palindrome (34420002443).

The spelling of 13120000312 in words is "thirteen billion, one hundred twenty million, three hundred twelve", and thus it is an aban number.