212412320212 has 12 divisors (see below), whose sum is σ = 372221863776. Its totient is φ = 106063216280.

The previous prime is 212412320207. The next prime is 212412320221. The reversal of 212412320212 is 212023214212.

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, 35732614 + ... + 35738557.

It is an arithmetic number, because the mean of its divisors is an integer number (31018488648).

Almost surely, 2^212412320212 is an apocalyptic number.

It is an amenable number.

212412320212 is a deficient number, since it is larger than the sum of its proper divisors (159809543564).

212412320212 is a wasteful number, since it uses less digits than its factorization.

212412320212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71471918 (or 71471916 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 212412320212 its reverse (212023214212), we get a palindrome (424435534424).

The spelling of 212412320212 in words is "two hundred twelve billion, four hundred twelve million, three hundred twenty thousand, two hundred twelve".