123312302212 has 96 divisors (see below), whose sum is σ = 260883866880. Its totient is φ = 50308177920.

The previous prime is 123312302203. The next prime is 123312302221. The reversal of 123312302212 is 212203213321.

It is an interprime number because it is at equal distance from previous prime (123312302203) and next prime (123312302221).

It is a Harshad number since it is a multiple of its sum of digits (22).

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 31 ways as a sum of consecutive naturals, for example, 5787114 + ... + 5808382.

It is an arithmetic number, because the mean of its divisors is an integer number (2717540280).

Almost surely, 2^123312302212 is an apocalyptic number.

It is an amenable number.

123312302212 is an abundant number, since it is smaller than the sum of its proper divisors (137571564668).

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

123312302212 is a wasteful number, since it uses less digits than its factorization.

123312302212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21661 (or 21659 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 123312302212 its reverse (212203213321), we get a palindrome (335515515533).

It can be divided in two parts, 123312 and 302212, that added together give a palindrome (425524).

The spelling of 123312302212 in words is "one hundred twenty-three billion, three hundred twelve million, three hundred two thousand, two hundred twelve".