212212311013212 has 12 divisors (see below), whose sum is σ = 495162059030856. Its totient is φ = 70737437004400.

The previous prime is 212212311013187. The next prime is 212212311013271. The reversal of 212212311013212 is 212310113212212.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×212212311013212³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

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, 8842179625539 + ... + 8842179625562.

It is an arithmetic number, because the mean of its divisors is an integer number (41263504919238).

Almost surely, 2^{212212311013212} is an apocalyptic number.

It is an amenable number.

212212311013212 is an abundant number, since it is smaller than the sum of its proper divisors (282949748017644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212212311013212 is a wasteful number, since it uses less digits than its factorization.

212212311013212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17684359251108 (or 17684359251106 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 212212311013212 its reverse (212310113212212), we get a palindrome (424522424225424).

The spelling of 212212311013212 in words is "two hundred twelve trillion, two hundred twelve billion, three hundred eleven million, thirteen thousand, two hundred twelve".