123022143212 has 12 divisors (see below), whose sum is σ = 215338193280. Its totient is φ = 61496945136.

The previous prime is 123022143199. The next prime is 123022143221. The reversal of 123022143212 is 212341220321.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3512012 + ... + 3546867.

It is an arithmetic number, because the mean of its divisors is an integer number (17944849440).

Almost surely, 2^123022143212 is an apocalyptic number.

It is an amenable number.

123022143212 is a deficient number, since it is larger than the sum of its proper divisors (92316050068).

123022143212 is a wasteful number, since it uses less digits than its factorization.

123022143212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7063240 (or 7063238 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 123022143212 its reverse (212341220321), we get a palindrome (335363363533).

The spelling of 123022143212 in words is "one hundred twenty-three billion, twenty-two million, one hundred forty-three thousand, two hundred twelve".