212120000122 has 16 divisors (see below), whose sum is σ = 338963329152. Its totient is φ = 99208774080.

The previous prime is 212120000093. The next prime is 212120000129. The reversal of 212120000122 is 221000021212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (212120000129) 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, 19131954 + ... + 19143037.

It is an arithmetic number, because the mean of its divisors is an integer number (21185208072).

Almost surely, 2^212120000122 is an apocalyptic number.

212120000122 is a deficient number, since it is larger than the sum of its proper divisors (126843329030).

212120000122 is a wasteful number, since it uses less digits than its factorization.

212120000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38275173.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 212120000122 its reverse (221000021212), we get a palindrome (433120021334).

The spelling of 212120000122 in words is "two hundred twelve billion, one hundred twenty million, one hundred twenty-two", and thus it is an aban number.