12312120122 has 8 divisors (see below), whose sum is σ = 18500525472. Its totient is φ = 6145278300.

The previous prime is 12312120113. The next prime is 12312120131. The reversal of 12312120122 is 22102121321.

It is an interprime number because it is at equal distance from previous prime (12312120113) and next prime (12312120131).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×12312120122³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12312120122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5389454 + ... + 5391737.

It is an arithmetic number, because the mean of its divisors is an integer number (2312565684).

Almost surely, 2^12312120122 is an apocalyptic number.

12312120122 is a deficient number, since it is larger than the sum of its proper divisors (6188405350).

12312120122 is a wasteful number, since it uses less digits than its factorization.

12312120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10781764.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12312120122 its reverse (22102121321), we get a palindrome (34414241443).

The spelling of 12312120122 in words is "twelve billion, three hundred twelve million, one hundred twenty thousand, one hundred twenty-two".