12020231101103 has 4 divisors (see below), whose sum is σ = 12189530130768. Its totient is φ = 11850932071440.

The previous prime is 12020231101061. The next prime is 12020231101127. The reversal of 12020231101103 is 30110113202021.

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 12020231101103 - 2²² = 12020226906799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020239101103) 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, 84649514726 + ... + 84649514867.

It is an arithmetic number, because the mean of its divisors is an integer number (3047382532692).

Almost surely, 2^{12020231101103} is an apocalyptic number.

12020231101103 is a deficient number, since it is larger than the sum of its proper divisors (169299029665).

12020231101103 is an equidigital number, since it uses as much as digits as its factorization.

12020231101103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169299029664.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12020231101103 its reverse (30110113202021), we get a palindrome (42130344303124).

The spelling of 12020231101103 in words is "twelve trillion, twenty billion, two hundred thirty-one million, one hundred one thousand, one hundred three".