20012212102201 has 8 divisors (see below), whose sum is σ = 21831542459424. Its totient is φ = 18192888136320.

The previous prime is 20012212102171. The next prime is 20012212102313. The reversal of 20012212102201 is 10220121221002.

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 not a de Polignac number, because 20012212102201 - 2⁹ = 20012212101689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20012212192201) 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, 6926281 + ... + 9380713.

It is an arithmetic number, because the mean of its divisors is an integer number (2728942807428).

Almost surely, 2^{20012212102201} is an apocalyptic number.

It is an amenable number.

20012212102201 is a deficient number, since it is larger than the sum of its proper divisors (1819330357223).

20012212102201 is a wasteful number, since it uses less digits than its factorization.

20012212102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3195671.

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

Adding to 20012212102201 its reverse (10220121221002), we get a palindrome (30232333323203).

The spelling of 20012212102201 in words is "twenty trillion, twelve billion, two hundred twelve million, one hundred two thousand, two hundred one".