212012122002202 has 12 divisors (see below), whose sum is σ = 335636918904906. Its totient is φ = 100426794632280.

The previous prime is 212012122002167. The next prime is 212012122002203. The reversal of 212012122002202 is 202200221210212.

It can be written as a sum of positive squares in only one way, i.e., 211891372007121 + 120749995081 = 14556489^2 + 347491^2 .

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 212012122002202.

It is not an unprimeable number, because it can be changed into a prime (212012122002203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 146822798449 + ... + 146822799892.

Almost surely, 2^{212012122002202} is an apocalyptic number.

212012122002202 is a deficient number, since it is larger than the sum of its proper divisors (123624796902704).

212012122002202 is a wasteful number, since it uses less digits than its factorization.

212012122002202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293645598381 (or 293645598362 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 212012122002202 its reverse (202200221210212), we get a palindrome (414212343212414).

The spelling of 212012122002202 in words is "two hundred twelve trillion, twelve billion, one hundred twenty-two million, two thousand, two hundred two".