12010102011 has 8 divisors (see below), whose sum is σ = 17792743760. Its totient is φ = 8006734656.

The previous prime is 12010102003. The next prime is 12010102019. The reversal of 12010102011 is 11020101021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12010102003) and next prime (12010102019).

It is not a de Polignac number, because 12010102011 - 2³ = 12010102003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12010101984 and 12010102002.

It is not an unprimeable number, because it can be changed into a prime (12010102019) 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 7 ways as a sum of consecutive naturals, for example, 222409270 + ... + 222409323.

It is an arithmetic number, because the mean of its divisors is an integer number (2224092970).

Almost surely, 2^12010102011 is an apocalyptic number.

12010102011 is a deficient number, since it is larger than the sum of its proper divisors (5782641749).

12010102011 is an equidigital number, since it uses as much as digits as its factorization.

12010102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444818602 (or 444818596 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 12010102011 its reverse (11020101021), we get a palindrome (23030203032).

It can be divided in two parts, 1201010 and 2011, that added together give a palindrome (1203021).

The spelling of 12010102011 in words is "twelve billion, ten million, one hundred two thousand, eleven".