212460002123 has 4 divisors (see below), whose sum is σ = 212718156048. Its totient is φ = 212201848200.

The previous prime is 212460002113. The next prime is 212460002129. The reversal of 212460002123 is 321200064212.

It is a happy number.

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 212460002123 - 2¹² = 212459998027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212460002129) 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, 129075728 + ... + 129077373.

It is an arithmetic number, because the mean of its divisors is an integer number (53179539012).

Almost surely, 2^212460002123 is an apocalyptic number.

212460002123 is a deficient number, since it is larger than the sum of its proper divisors (258153925).

212460002123 is an equidigital number, since it uses as much as digits as its factorization.

212460002123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258153924.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 212460002123 its reverse (321200064212), we get a palindrome (533660066335).

The spelling of 212460002123 in words is "two hundred twelve billion, four hundred sixty million, two thousand, one hundred twenty-three".