212123000122 has 8 divisors (see below), whose sum is σ = 347110363872. Its totient is φ = 96419545500.

The previous prime is 212123000107. The next prime is 212123000143. The reversal of 212123000122 is 221000321212.

It is a happy number.

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 = 212123000096 and 212123000105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4820977254 + ... + 4820977297.

It is an arithmetic number, because the mean of its divisors is an integer number (43388795484).

Almost surely, 2^212123000122 is an apocalyptic number.

212123000122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212123000122 is a deficient number, since it is larger than the sum of its proper divisors (134987363750).

212123000122 is a wasteful number, since it uses less digits than its factorization.

212123000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9641954564.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 212123000122 its reverse (221000321212), we get a palindrome (433123321334).

The spelling of 212123000122 in words is "two hundred twelve billion, one hundred twenty-three million, one hundred twenty-two", and thus it is an aban number.