20130032003312 has 160 divisors (see below), whose sum is σ = 49261551058944. Its totient is φ = 7740519494400.

The previous prime is 20130032003311. The next prime is 20130032003329. The reversal of 20130032003312 is 21330023003102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130032003311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101236373 + ... + 101435019.

Almost surely, 2^{20130032003312} is an apocalyptic number.

20130032003312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20130032003312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24630775529472).

20130032003312 is an abundant number, since it is smaller than the sum of its proper divisors (29131519055632).

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

20130032003312 is a wasteful number, since it uses less digits than its factorization.

20130032003312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199747 (or 199741 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20130032003312 its reverse (21330023003102), we get a palindrome (41460055006414).

The spelling of 20130032003312 in words is "twenty trillion, one hundred thirty billion, thirty-two million, three thousand, three hundred twelve".