123312030210 has 32 divisors (see below), whose sum is σ = 328832081280. Its totient is φ = 32883207984.

The previous prime is 123312030197. The next prime is 123312030241. The reversal of 123312030210 is 12030213321.

123312030210 is a `hidden beast` number, since 1 + 2 + 331 + 20 + 302 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228355342 + ... + 228355881.

It is an arithmetic number, because the mean of its divisors is an integer number (10276002540).

Almost surely, 2^123312030210 is an apocalyptic number.

123312030210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123312030210 is an abundant number, since it is smaller than the sum of its proper divisors (205520051070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123312030210 is a wasteful number, since it uses less digits than its factorization.

123312030210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456711239 (or 456711233 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 123312030210 its reverse (12030213321), we get a palindrome (135342243531).

The spelling of 123312030210 in words is "one hundred twenty-three billion, three hundred twelve million, thirty thousand, two hundred ten".