20203100130012 has 24 divisors (see below), whose sum is σ = 47598242380416. Its totient is φ = 6668984508528.

The previous prime is 20203100129831. The next prime is 20203100130013. The reversal of 20203100130012 is 21003100130202.

It is a junction number, because it is equal to n+sod(n) for n = 20203100129973 and 20203100130000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203100130013) 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, 8172773898 + ... + 8172776369.

It is an arithmetic number, because the mean of its divisors is an integer number (1983260099184).

Almost surely, 2^{20203100130012} is an apocalyptic number.

It is an amenable number.

20203100130012 is an abundant number, since it is smaller than the sum of its proper divisors (27395142250404).

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

20203100130012 is a wasteful number, since it uses less digits than its factorization.

20203100130012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16345550377 (or 16345550375 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20203100130012 its reverse (21003100130202), we get a palindrome (41206200260214).

The spelling of 20203100130012 in words is "twenty trillion, two hundred three billion, one hundred million, one hundred thirty thousand, twelve".