212220000022 has 8 divisors (see below), whose sum is σ = 318525659496. Its totient is φ = 106044780192.

The previous prime is 212219999969. The next prime is 212220000037. The reversal of 212220000022 is 220000022212.

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

It is a junction number, because it is equal to n+sod(n) for n = 212219999957 and 212220000011.

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, 32605843 + ... + 32612350.

It is an arithmetic number, because the mean of its divisors is an integer number (39815707437).

Almost surely, 2^212220000022 is an apocalyptic number.

212220000022 is a deficient number, since it is larger than the sum of its proper divisors (106305659474).

212220000022 is a wasteful number, since it uses less digits than its factorization.

212220000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65219822.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 212220000022 its reverse (220000022212), we get a palindrome (432220022234).

It can be divided in two parts, 212 and 220000022, that multiplied together give a palindrome (46640004664).

The spelling of 212220000022 in words is "two hundred twelve billion, two hundred twenty million, twenty-two", and thus it is an aban number.