20130003012 has 72 divisors (see below), whose sum is σ = 54669958560. Its totient is φ = 5748126720.

The previous prime is 20130003011. The next prime is 20130003037. The reversal of 20130003012 is 21030003102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (20130003011) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1126564 + ... + 1144292.

It is an arithmetic number, because the mean of its divisors is an integer number (759304980).

Almost surely, 2^20130003012 is an apocalyptic number.

It is an amenable number.

20130003012 is an abundant number, since it is smaller than the sum of its proper divisors (34539955548).

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

20130003012 is a wasteful number, since it uses less digits than its factorization.

20130003012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19681 (or 19672 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20130003012 its reverse (21030003102), we get a palindrome (41160006114).

The spelling of 20130003012 in words is "twenty billion, one hundred thirty million, three thousand, twelve".