12010331011 has 4 divisors (see below), whose sum is σ = 13726092592. Its totient is φ = 10294569432.

The previous prime is 12010330993. The next prime is 12010331027. The reversal of 12010331011 is 11013301021.

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

It is not a de Polignac number, because 12010331011 - 2³¹ = 9862847363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12010330982 and 12010331000.

It is not an unprimeable number, because it can be changed into a prime (12010331041) 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, 857880780 + ... + 857880793.

It is an arithmetic number, because the mean of its divisors is an integer number (3431523148).

Almost surely, 2^12010331011 is an apocalyptic number.

12010331011 is a deficient number, since it is larger than the sum of its proper divisors (1715761581).

12010331011 is an equidigital number, since it uses as much as digits as its factorization.

12010331011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715761580.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 12010331011 its reverse (11013301021), we get a palindrome (23023632032).

The spelling of 12010331011 in words is "twelve billion, ten million, three hundred thirty-one thousand, eleven".