12011210206 has 16 divisors (see below), whose sum is σ = 18329431680. Its totient is φ = 5901480280.

The previous prime is 12011210203. The next prime is 12011210231. The reversal of 12011210206 is 60201211021.

It is a super-2 number, since 2×12011210206² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12011210206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011210203) 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, 301125 + ... + 338671.

It is an arithmetic number, because the mean of its divisors is an integer number (1145589480).

Almost surely, 2^12011210206 is an apocalyptic number.

12011210206 is a deficient number, since it is larger than the sum of its proper divisors (6318221474).

12011210206 is a wasteful number, since it uses less digits than its factorization.

12011210206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40319.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12011210206 its reverse (60201211021), we get a palindrome (72212421227).

The spelling of 12011210206 in words is "twelve billion, eleven million, two hundred ten thousand, two hundred six".