20121130010103 has 16 divisors (see below), whose sum is σ = 28240868716800. Its totient is φ = 12707773300800.

The previous prime is 20121130010083. The next prime is 20121130010171. The reversal of 20121130010103 is 30101003112102.

It is a happy number.

It is not a de Polignac number, because 20121130010103 - 2⁵ = 20121130010071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20121130010173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1911358 + ... + 6625371.

It is an arithmetic number, because the mean of its divisors is an integer number (1765054294800).

Almost surely, 2^{20121130010103} is an apocalyptic number.

20121130010103 is a deficient number, since it is larger than the sum of its proper divisors (8119738706697).

20121130010103 is a wasteful number, since it uses less digits than its factorization.

20121130010103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8578102.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 20121130010103 its reverse (30101003112102), we get a palindrome (50222133122205).

The spelling of 20121130010103 in words is "twenty trillion, one hundred twenty-one billion, one hundred thirty million, ten thousand, one hundred three".