212143411122 has 32 divisors (see below), whose sum is σ = 435782616192. Its totient is φ = 68798755584.

The previous prime is 212143411097. The next prime is 212143411141. The reversal of 212143411122 is 221114341212.

It is a junction number, because it is equal to n+sod(n) for n = 212143411092 and 212143411101.

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, 5794378 + ... + 5830874.

It is an arithmetic number, because the mean of its divisors is an integer number (13618206756).

Almost surely, 2^212143411122 is an apocalyptic number.

212143411122 is an abundant number, since it is smaller than the sum of its proper divisors (223639205070).

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

212143411122 is a wasteful number, since it uses less digits than its factorization.

212143411122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62722.

The product of its digits is 768, while the sum is 24.

Adding to 212143411122 its reverse (221114341212), we get a palindrome (433257752334).

The spelling of 212143411122 in words is "two hundred twelve billion, one hundred forty-three million, four hundred eleven thousand, one hundred twenty-two".