20120132103 has 4 divisors (see below), whose sum is σ = 26826842808. Its totient is φ = 13413421400.

The previous prime is 20120132083. The next prime is 20120132113. The reversal of 20120132103 is 30123102102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20120132103 - 2¹³ = 20120123911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120132113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3353355348 + ... + 3353355353.

It is an arithmetic number, because the mean of its divisors is an integer number (6706710702).

Almost surely, 2^20120132103 is an apocalyptic number.

20120132103 is a deficient number, since it is larger than the sum of its proper divisors (6706710705).

20120132103 is an equidigital number, since it uses as much as digits as its factorization.

20120132103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6706710704.

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

Adding to 20120132103 its reverse (30123102102), we get a palindrome (50243234205).

The spelling of 20120132103 in words is "twenty billion, one hundred twenty million, one hundred thirty-two thousand, one hundred three".