10212123 has 4 divisors (see below), whose sum is σ = 13616168. Its totient is φ = 6808080.

The previous prime is 10212119. The next prime is 10212131. The reversal of 10212123 is 32121201.

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

It is not a de Polignac number, because 10212123 - 2² = 10212119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10212099 and 10212108.

It is not an unprimeable number, because it can be changed into a prime (10212173) 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, 1702018 + ... + 1702023.

It is an arithmetic number, because the mean of its divisors is an integer number (3404042).

Almost surely, 2^10212123 is an apocalyptic number.

10212123 is a deficient number, since it is larger than the sum of its proper divisors (3404045).

10212123 is an equidigital number, since it uses as much as digits as its factorization.

10212123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404044.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 10212123 is about 3195.6412502032. The cubic root of 10212123 is about 216.9561734139.

Adding to 10212123 its reverse (32121201), we get a palindrome (42333324).

The spelling of 10212123 in words is "ten million, two hundred twelve thousand, one hundred twenty-three".