20030113121312 has 48 divisors (see below), whose sum is σ = 45070800751872. Its totient is φ = 8583753960960.

The previous prime is 20030113121297. The next prime is 20030113121329. The reversal of 20030113121312 is 21312131103002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307508 + ... + 6336780.

It is an arithmetic number, because the mean of its divisors is an integer number (938975015664).

Almost surely, 2^{20030113121312} is an apocalyptic number.

It is an amenable number.

20030113121312 is an abundant number, since it is smaller than the sum of its proper divisors (25040687630560).

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

20030113121312 is a wasteful number, since it uses less digits than its factorization.

20030113121312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6044121 (or 6044113 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20030113121312 its reverse (21312131103002), we get a palindrome (41342244224314).

The spelling of 20030113121312 in words is "twenty trillion, thirty billion, one hundred thirteen million, one hundred twenty-one thousand, three hundred twelve".