12011011010 has 32 divisors (see below), whose sum is σ = 22566487680. Its totient is φ = 4594157568.

The previous prime is 12011011009. The next prime is 12011011021. The reversal of 12011011010 is 1011011021.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1143161 + ... + 1153619.

It is an arithmetic number, because the mean of its divisors is an integer number (705202740).

Almost surely, 2^12011011010 is an apocalyptic number.

12011011010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011011010 is a deficient number, since it is larger than the sum of its proper divisors (10555476670).

12011011010 is a wasteful number, since it uses less digits than its factorization.

12011011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15482.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 12011011010 its reverse (1011011021), we get a palindrome (13022022031).

The spelling of 12011011010 in words is "twelve billion, eleven million, eleven thousand, ten".