20212000222213 has 4 divisors (see below), whose sum is σ = 20226104899308. Its totient is φ = 20197895545120.

The previous prime is 20212000222189. The next prime is 20212000222217. The reversal of 20212000222213 is 31222200021202.

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 15610258764324 + 4601741457889 = 3950982^2 + 2145167^2 .

It is a cyclic number.

It is not a de Polignac number, because 20212000222213 - 2¹⁷ = 20212000091141 is a prime.

It is a super-2 number, since 2×20212000222213² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212000222217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7052336398 + ... + 7052339263.

It is an arithmetic number, because the mean of its divisors is an integer number (5056526224827).

Almost surely, 2^{20212000222213} is an apocalyptic number.

It is an amenable number.

20212000222213 is a deficient number, since it is larger than the sum of its proper divisors (14104677095).

20212000222213 is a wasteful number, since it uses less digits than its factorization.

20212000222213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14104677094.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20212000222213 its reverse (31222200021202), we get a palindrome (51434200243415).

The spelling of 20212000222213 in words is "twenty trillion, two hundred twelve billion, two hundred twenty-two thousand, two hundred thirteen".