123030210022 has 4 divisors (see below), whose sum is σ = 184545315036. Its totient is φ = 61515105010.

The previous prime is 123030210013. The next prime is 123030210067. The reversal of 123030210022 is 220012030321.

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

It is a junction number, because it is equal to n+sod(n) for n = 123030209978 and 123030210005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30757552504 + ... + 30757552507.

It is an arithmetic number, because the mean of its divisors is an integer number (46136328759).

Almost surely, 2^123030210022 is an apocalyptic number.

123030210022 is a deficient number, since it is larger than the sum of its proper divisors (61515105014).

123030210022 is an equidigital number, since it uses as much as digits as its factorization.

123030210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61515105013.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 123030210022 its reverse (220012030321), we get a palindrome (343042240343).

The spelling of 123030210022 in words is "one hundred twenty-three billion, thirty million, two hundred ten thousand, twenty-two".