12221202011 has 8 divisors (see below), whose sum is σ = 12646044480. Its totient is φ = 11796587712.

The previous prime is 12221201939. The next prime is 12221202017. The reversal of 12221202011 is 11020212221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12221202011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12221202017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55751 + ... + 165983.

It is an arithmetic number, because the mean of its divisors is an integer number (1580755560).

Almost surely, 2^12221202011 is an apocalyptic number.

12221202011 is a deficient number, since it is larger than the sum of its proper divisors (424842469).

12221202011 is a wasteful number, since it uses less digits than its factorization.

12221202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114085.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12221202011 its reverse (11020212221), we get a palindrome (23241414232).

The spelling of 12221202011 in words is "twelve billion, two hundred twenty-one million, two hundred two thousand, eleven".