2212550066123 has 4 divisors (see below), whose sum is σ = 2212554127320. Its totient is φ = 2212546004928.

The previous prime is 2212550066081. The next prime is 2212550066137. The reversal of 2212550066123 is 3216600552122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2212550066123 - 2⁸ = 2212550065867 is a prime.

It is a super-2 number, since 2×2212550066123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212550066183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1058165 + ... + 2354742.

It is an arithmetic number, because the mean of its divisors is an integer number (553138531830).

Almost surely, 2^{2212550066123} is an apocalyptic number.

2212550066123 is a deficient number, since it is larger than the sum of its proper divisors (4061197).

2212550066123 is an equidigital number, since it uses as much as digits as its factorization.

2212550066123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4061196.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 2212550066123 in words is "two trillion, two hundred twelve billion, five hundred fifty million, sixty-six thousand, one hundred twenty-three".