212122011202 has 8 divisors (see below), whose sum is σ = 318414763836. Its totient is φ = 105983756592.

The previous prime is 212122011193. The next prime is 212122011203. The reversal of 212122011202 is 202110221212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 149497449201 + 62624562001 = 386649^2 + 250249^2 .

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

It is not an unprimeable number, because it can be changed into a prime (212122011203) 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, 38621073 + ... + 38626564.

Almost surely, 2^212122011202 is an apocalyptic number.

212122011202 is a deficient number, since it is larger than the sum of its proper divisors (106292752634).

212122011202 is a wasteful number, since it uses less digits than its factorization.

212122011202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77249012.

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

Adding to 212122011202 its reverse (202110221212), we get a palindrome (414232232414).

The spelling of 212122011202 in words is "two hundred twelve billion, one hundred twenty-two million, eleven thousand, two hundred two".