12011020206 has 16 divisors (see below), whose sum is σ = 24027628800. Its totient is φ = 4002742008.

The previous prime is 12011020201. The next prime is 12011020207. The reversal of 12011020206 is 60202011021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011020201) 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, 204646 + ... + 256713.

It is an arithmetic number, because the mean of its divisors is an integer number (1501726800).

Almost surely, 2^12011020206 is an apocalyptic number.

12011020206 is an abundant number, since it is smaller than the sum of its proper divisors (12016608594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12011020206 is a wasteful number, since it uses less digits than its factorization.

12011020206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465703.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12011020206 its reverse (60202011021), we get a palindrome (72213031227).

The spelling of 12011020206 in words is "twelve billion, eleven million, twenty thousand, two hundred six".