212010012202223 has 4 divisors (see below), whose sum is σ = 212051738247888. Its totient is φ = 211968286156560.

The previous prime is 212010012202187. The next prime is 212010012202229. The reversal of 212010012202223 is 322202210010212.

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 212010012202223 - 2¹⁰ = 212010012201199 is a prime.

It is a super-2 number, since 2×212010012202223² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212010012202195 and 212010012202204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212010012202229) 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, 20863015211 + ... + 20863025372.

It is an arithmetic number, because the mean of its divisors is an integer number (53012934561972).

Almost surely, 2^{212010012202223} is an apocalyptic number.

212010012202223 is a deficient number, since it is larger than the sum of its proper divisors (41726045665).

212010012202223 is an equidigital number, since it uses as much as digits as its factorization.

212010012202223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41726045664.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 212010012202223 its reverse (322202210010212), we get a palindrome (534212222212435).

The spelling of 212010012202223 in words is "two hundred twelve trillion, ten billion, twelve million, two hundred two thousand, two hundred twenty-three".