20130104312 has 32 divisors (see below), whose sum is σ = 39410420400. Its totient is φ = 9627147264.

The previous prime is 20130104207. The next prime is 20130104333. The reversal of 20130104312 is 21340103102.

It is a super-2 number, since 2×20130104312² (a number of 21 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 380633 + ... + 430280.

Almost surely, 2^20130104312 is an apocalyptic number.

It is an amenable number.

20130104312 is a deficient number, since it is larger than the sum of its proper divisors (19280316088).

20130104312 is a wasteful number, since it uses less digits than its factorization.

20130104312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811055 (or 811051 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20130104312 its reverse (21340103102), we get a palindrome (41470207414).

The spelling of 20130104312 in words is "twenty billion, one hundred thirty million, one hundred four thousand, three hundred twelve".