20130103122002 has 16 divisors (see below), whose sum is σ = 30309608687640. Its totient is φ = 10026913287168.

The previous prime is 20130103122001. The next prime is 20130103122011. The reversal of 20130103122002 is 20022130103102.

It can be written as a sum of positive squares in 4 ways, for example, as 12954031887241 + 7176071234761 = 3599171^2 + 2678819^2 .

It is not an unprimeable number, because it can be changed into a prime (20130103122001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177113 + ... + 6347564.

Almost surely, 2^{20130103122002} is an apocalyptic number.

20130103122002 is a deficient number, since it is larger than the sum of its proper divisors (10179505565638).

20130103122002 is a wasteful number, since it uses less digits than its factorization.

20130103122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6530525.

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

Adding to 20130103122002 its reverse (20022130103102), we get a palindrome (40152233225104).

The spelling of 20130103122002 in words is "twenty trillion, one hundred thirty billion, one hundred three million, one hundred twenty-two thousand, two".