212412224406 has 8 divisors (see below), whose sum is σ = 424824448824. Its totient is φ = 70804074800.

The previous prime is 212412224399. The next prime is 212412224411. The reversal of 212412224406 is 604422214212.

It is a sphenic number, since it is the product of 3 distinct primes.

212412224406 is an admirable number.

It is a super-3 number, since 3×212412224406³ (a number of 35 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, 17701018695 + ... + 17701018706.

It is an arithmetic number, because the mean of its divisors is an integer number (53103056103).

Almost surely, 2^212412224406 is an apocalyptic number.

212412224406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

212412224406 is a wasteful number, since it uses less digits than its factorization.

212412224406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35402037406.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 212412224406 its reverse (604422214212), we get a palindrome (816834438618).

The spelling of 212412224406 in words is "two hundred twelve billion, four hundred twelve million, two hundred twenty-four thousand, four hundred six".