20012212002211 has 8 divisors (see below), whose sum is σ = 23510850464304. Its totient is φ = 16793464617120.

The previous prime is 20012212002199. The next prime is 20012212002217. The reversal of 20012212002211 is 11220021221002.

It is a happy number.

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-20012212002211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20012212002217) 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, 69972769096 + ... + 69972769381.

It is an arithmetic number, because the mean of its divisors is an integer number (2938856308038).

Almost surely, 2^{20012212002211} is an apocalyptic number.

20012212002211 is a deficient number, since it is larger than the sum of its proper divisors (3498638462093).

20012212002211 is a wasteful number, since it uses less digits than its factorization.

20012212002211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139945538501.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20012212002211 its reverse (11220021221002), we get a palindrome (31232233223213).

The spelling of 20012212002211 in words is "twenty trillion, twelve billion, two hundred twelve million, two thousand, two hundred eleven".