212222010202 has 8 divisors (see below), whose sum is σ = 318334978836. Its totient is φ = 106110350592.

The previous prime is 212222010173. The next prime is 212222010227. The reversal of 212222010202 is 202010222212.

It can be written as a sum of positive squares in 2 ways, for example, as 212206714281 + 15295921 = 460659^2 + 3911^2 .

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

It is a super-2 number, since 2×212222010202² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412428 + ... + 771064.

Almost surely, 2^212222010202 is an apocalyptic number.

212222010202 is a deficient number, since it is larger than the sum of its proper divisors (106112968634).

212222010202 is a wasteful number, since it uses less digits than its factorization.

212222010202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654512.

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

Adding to 212222010202 its reverse (202010222212), we get a palindrome (414232232414).

It can be divided in two parts, 212222010 and 202, that added together give a palindrome (212222212).

The spelling of 212222010202 in words is "two hundred twelve billion, two hundred twenty-two million, ten thousand, two hundred two".