212123841722 has 16 divisors (see below), whose sum is σ = 345988406400. Its totient is φ = 96952792752.

The previous prime is 212123841689. The next prime is 212123841739. The reversal of 212123841722 is 227148321212.

212123841722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39602222 + ... + 39607577.

It is an arithmetic number, because the mean of its divisors is an integer number (21624275400).

Almost surely, 2^212123841722 is an apocalyptic number.

212123841722 is a deficient number, since it is larger than the sum of its proper divisors (133864564678).

212123841722 is a wasteful number, since it uses less digits than its factorization.

212123841722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79209917.

The product of its digits is 21504, while the sum is 35.

The spelling of 212123841722 in words is "two hundred twelve billion, one hundred twenty-three million, eight hundred forty-one thousand, seven hundred twenty-two".