12020310011 has 8 divisors (see below), whose sum is σ = 12205435104. Its totient is φ = 11835624640.

The previous prime is 12020309981. The next prime is 12020310041. The reversal of 12020310011 is 11001302021.

It is an interprime number because it is at equal distance from previous prime (12020309981) and next prime (12020310041).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12020310011 - 2⁶ = 12020309947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12020309974 and 12020310001.

It is not an unprimeable number, because it can be changed into a prime (12020310041) 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, 54626 + ... + 164391.

It is an arithmetic number, because the mean of its divisors is an integer number (1525679388).

Almost surely, 2^12020310011 is an apocalyptic number.

12020310011 is a deficient number, since it is larger than the sum of its proper divisors (185125093).

12020310011 is an equidigital number, since it uses as much as digits as its factorization.

12020310011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219861.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 12020310011 its reverse (11001302021), we get a palindrome (23021612032).

The spelling of 12020310011 in words is "twelve billion, twenty million, three hundred ten thousand, eleven".