20221212202 has 8 divisors (see below), whose sum is σ = 30829061412. Its totient is φ = 9944858400.

The previous prime is 20221212199. The next prime is 20221212227.

20221212202 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 13593461281 + 6627750921 = 116591^2 + 81411^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82873699 + ... + 82873942.

Almost surely, 2^20221212202 is an apocalyptic number.

20221212202 is a deficient number, since it is larger than the sum of its proper divisors (10607849210).

20221212202 is a wasteful number, since it uses less digits than its factorization.

20221212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165747704.

The product of its (nonzero) digits is 128, while the sum is 16.

The spelling of 20221212202 in words is "twenty billion, two hundred twenty-one million, two hundred twelve thousand, two hundred two".