212420312042212 has 12 divisors (see below), whose sum is σ = 371744969065456. Its totient is φ = 106207463737800.

The previous prime is 212420312042143. The next prime is 212420312042231. The reversal of 212420312042212 is 212240213024212.

It is a super-2 number, since 2×212420312042212² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672893298 + ... + 673208905.

Almost surely, 2^{212420312042212} is an apocalyptic number.

It is an amenable number.

212420312042212 is a deficient number, since it is larger than the sum of its proper divisors (159324657023244).

212420312042212 is a wasteful number, since it uses less digits than its factorization.

212420312042212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346141658 (or 1346141656 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 212420312042212 its reverse (212240213024212), we get a palindrome (424660525066424).

The spelling of 212420312042212 in words is "two hundred twelve trillion, four hundred twenty billion, three hundred twelve million, forty-two thousand, two hundred twelve".