212422413212 has 24 divisors (see below), whose sum is σ = 374939470080. Its totient is φ = 105300767600.

The previous prime is 212422413187. The next prime is 212422413221. The reversal of 212422413212 is 212314224212.

It is a happy number.

It is a super-4 number, since 4×212422413212⁴ (a number of 46 digits) contains 4444 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, 272414 + ... + 706437.

It is an arithmetic number, because the mean of its divisors is an integer number (15622477920).

Almost surely, 2^212422413212 is an apocalyptic number.

It is an amenable number.

212422413212 is a deficient number, since it is larger than the sum of its proper divisors (162517056868).

212422413212 is a wasteful number, since it uses less digits than its factorization.

212422413212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979321 (or 979319 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

Adding to 212422413212 its reverse (212314224212), we get a palindrome (424736637424).

The spelling of 212422413212 in words is "two hundred twelve billion, four hundred twenty-two million, four hundred thirteen thousand, two hundred twelve".