212213303312212 has 24 divisors (see below), whose sum is σ = 380016441072576. Its totient is φ = 103637262646848.

The previous prime is 212213303312191. The next prime is 212213303312243.

212213303312212 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×212213303312212² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668368 + ... + 20612455.

It is an arithmetic number, because the mean of its divisors is an integer number (15834018378024).

Almost surely, 2^{212213303312212} is an apocalyptic number.

It is an amenable number.

212213303312212 is a deficient number, since it is larger than the sum of its proper divisors (167803137760364).

212213303312212 is a wasteful number, since it uses less digits than its factorization.

212213303312212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21338847 (or 21338845 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

It can be divided in two parts, 21221330 and 3312212, that added together give a palindrome (24533542).

The spelling of 212213303312212 in words is "two hundred twelve trillion, two hundred thirteen billion, three hundred three million, three hundred twelve thousand, two hundred twelve".