123001323212 has 24 divisors (see below), whose sum is σ = 219053592576. Its totient is φ = 60423986448.

The previous prime is 123001323187. The next prime is 123001323223. The reversal of 123001323212 is 212323100321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1123058 + ... + 1227705.

It is an arithmetic number, because the mean of its divisors is an integer number (9127233024).

Almost surely, 2^123001323212 is an apocalyptic number.

It is an amenable number.

123001323212 is a deficient number, since it is larger than the sum of its proper divisors (96052269364).

123001323212 is a wasteful number, since it uses less digits than its factorization.

123001323212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350997 (or 2350995 counting only the distinct ones).

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

Adding to 123001323212 its reverse (212323100321), we get a palindrome (335324423533).

The spelling of 123001323212 in words is "one hundred twenty-three billion, one million, three hundred twenty-three thousand, two hundred twelve".