220000001212201 has 16 divisors (see below), whose sum is σ = 251568046080000. Its totient is φ = 188466828762960.

The previous prime is 220000001212177. The next prime is 220000001212213. The reversal of 220000001212201 is 102212100000022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 220000001212201 - 2⁹ = 220000001211689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220000001212291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 785666920 + ... + 785946886.

It is an arithmetic number, because the mean of its divisors is an integer number (15723002880000).

Almost surely, 2^{220000001212201} is an apocalyptic number.

It is an amenable number.

220000001212201 is a deficient number, since it is larger than the sum of its proper divisors (31568044867799).

220000001212201 is a wasteful number, since it uses less digits than its factorization.

220000001212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341844.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220000001212201 its reverse (102212100000022), we get a palindrome (322212101212223).

The spelling of 220000001212201 in words is "two hundred twenty trillion, one million, two hundred twelve thousand, two hundred one".