213122230130123 has 32 divisors (see below), whose sum is σ = 224724988999680. Its totient is φ = 201717383028480.

The previous prime is 213122230130111. The next prime is 213122230130167. The reversal of 213122230130123 is 321031032221312.

It is a cyclic number.

It is not a de Polignac number, because 213122230130123 - 2²² = 213122225935819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213122230130092 and 213122230130101.

It is not an unprimeable number, because it can be changed into a prime (213122230130723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29769828818 + ... + 29769835976.

It is an arithmetic number, because the mean of its divisors is an integer number (7022655906240).

Almost surely, 2^{213122230130123} is an apocalyptic number.

213122230130123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

213122230130123 is a deficient number, since it is larger than the sum of its proper divisors (11602758869557).

213122230130123 is a wasteful number, since it uses less digits than its factorization.

213122230130123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15459.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 213122230130123 its reverse (321031032221312), we get a palindrome (534153262351435).

The spelling of 213122230130123 in words is "two hundred thirteen trillion, one hundred twenty-two billion, two hundred thirty million, one hundred thirty thousand, one hundred twenty-three".