212243101422 has 32 divisors (see below), whose sum is σ = 463111032960. Its totient is φ = 64311205920.

The previous prime is 212243101379. The next prime is 212243101519. The reversal of 212243101422 is 224101342212.

It is a junction number, because it is equal to n+sod(n) for n = 212243101392 and 212243101401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 806404 + ... + 1036712.

It is an arithmetic number, because the mean of its divisors is an integer number (14472219780).

Almost surely, 2^212243101422 is an apocalyptic number.

212243101422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212243101422 is an abundant number, since it is smaller than the sum of its proper divisors (250867931538).

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

212243101422 is a wasteful number, since it uses less digits than its factorization.

212243101422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244288.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 212243101422 its reverse (224101342212), we get a palindrome (436344443634).

The spelling of 212243101422 in words is "two hundred twelve billion, two hundred forty-three million, one hundred one thousand, four hundred twenty-two".