212420233122 has 16 divisors (see below), whose sum is σ = 424851944160. Its totient is φ = 70804831392.

The previous prime is 212420233121. The next prime is 212420233133. The reversal of 212420233122 is 221332024212.

It is a junction number, because it is equal to n+sod(n) for n = 212420233092 and 212420233101.

It is not an unprimeable number, because it can be changed into a prime (212420233121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227548 + ... + 690375.

It is an arithmetic number, because the mean of its divisors is an integer number (26553246510).

Almost surely, 2^212420233122 is an apocalyptic number.

212420233122 is an abundant number, since it is smaller than the sum of its proper divisors (212431711038).

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

212420233122 is a wasteful number, since it uses less digits than its factorization.

212420233122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956497.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 212420233122 its reverse (221332024212), we get a palindrome (433752257334).

The spelling of 212420233122 in words is "two hundred twelve billion, four hundred twenty million, two hundred thirty-three thousand, one hundred twenty-two".