123210212330 has 32 divisors (see below), whose sum is σ = 228026147328. Its totient is φ = 47904566400.

The previous prime is 123210212327. The next prime is 123210212347. The reversal of 123210212330 is 33212012321.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 443342 + ... + 665561.

It is an arithmetic number, because the mean of its divisors is an integer number (7125817104).

Almost surely, 2^123210212330 is an apocalyptic number.

123210212330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123210212330 is a deficient number, since it is larger than the sum of its proper divisors (104815934998).

123210212330 is a wasteful number, since it uses less digits than its factorization.

123210212330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109222.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 123210212330 its reverse (33212012321), we get a palindrome (156422224651).

Subtracting from 123210212330 its reverse (33212012321), we obtain a square (89998200009 = 299997²).

The spelling of 123210212330 in words is "one hundred twenty-three billion, two hundred ten million, two hundred twelve thousand, three hundred thirty".