220212010212001 has 4 divisors (see below), whose sum is σ = 220212141326100. Its totient is φ = 220211879097904.

The previous prime is 220212010211969. The next prime is 220212010212023. The reversal of 220212010212001 is 100212010212022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 164873304090000 + 55338706122001 = 12840300^2 + 7438999^2 .

It is a cyclic number.

It is not a de Polignac number, because 220212010212001 - 2⁵ = 220212010211969 is a prime.

It is a super-2 number, since 2×220212010212001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220212010218001) 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 3 ways as a sum of consecutive naturals, for example, 63004606 + ... + 66407863.

It is an arithmetic number, because the mean of its divisors is an integer number (55053035331525).

Almost surely, 2^{220212010212001} is an apocalyptic number.

It is an amenable number.

220212010212001 is a deficient number, since it is larger than the sum of its proper divisors (131114099).

220212010212001 is a wasteful number, since it uses less digits than its factorization.

220212010212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131114098.

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

Adding to 220212010212001 its reverse (100212010212022), we get a palindrome (320424020424023).

The spelling of 220212010212001 in words is "two hundred twenty trillion, two hundred twelve billion, ten million, two hundred twelve thousand, one".