212212020000202 has 4 divisors (see below), whose sum is σ = 318318030000306. Its totient is φ = 106106010000100.

The previous prime is 212212020000193. The next prime is 212212020000203. The reversal of 212212020000202 is 202000020212212.

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

It can be written as a sum of positive squares in only one way, i.e., 171768258269521 + 40443761730681 = 13106039^2 + 6359541^2 .

It is a super-2 number, since 2×212212020000202² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212212020000203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53053005000049 + ... + 53053005000052.

Almost surely, 2^{212212020000202} is an apocalyptic number.

212212020000202 is a deficient number, since it is larger than the sum of its proper divisors (106106010000104).

212212020000202 is a wasteful number, since it uses less digits than its factorization.

212212020000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106106010000103.

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

Adding to 212212020000202 its reverse (202000020212212), we get a palindrome (414212040212414).

The spelling of 212212020000202 in words is "two hundred twelve trillion, two hundred twelve billion, twenty million, two hundred two", and thus it is an aban number.