212122112002123 has 8 divisors (see below), whose sum is σ = 212458734236000. Its totient is φ = 211785747424128.

The previous prime is 212122112002121. The next prime is 212122112002193. The reversal of 212122112002123 is 321200211221212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212122112002123 - 2¹ = 212122112002121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212122112002094 and 212122112002103.

It is not an unprimeable number, because it can be changed into a prime (212122112002121) by changing a digit.

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, 62766078 + ... + 66059251.

It is an arithmetic number, because the mean of its divisors is an integer number (26557341779500).

Almost surely, 2^{212122112002123} is an apocalyptic number.

212122112002123 is a deficient number, since it is larger than the sum of its proper divisors (336622233877).

212122112002123 is a wasteful number, since it uses less digits than its factorization.

212122112002123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128827941.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 212122112002123 its reverse (321200211221212), we get a palindrome (533322323223335).

The spelling of 212122112002123 in words is "two hundred twelve trillion, one hundred twenty-two billion, one hundred twelve million, two thousand, one hundred twenty-three".