122310131212 has 24 divisors (see below), whose sum is σ = 219286311552. Its totient is φ = 59657212800.

The previous prime is 122310131191. The next prime is 122310131221. The reversal of 122310131212 is 212131013221.

It is a self number, because there is not a number n which added to its sum of digits gives 122310131212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1785637 + ... + 1852867.

It is an arithmetic number, because the mean of its divisors is an integer number (9136929648).

Almost surely, 2^122310131212 is an apocalyptic number.

It is an amenable number.

122310131212 is a deficient number, since it is larger than the sum of its proper divisors (96976180340).

122310131212 is a wasteful number, since it uses less digits than its factorization.

122310131212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78369 (or 78367 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 122310131212 its reverse (212131013221), we get a palindrome (334441144433).

The spelling of 122310131212 in words is "one hundred twenty-two billion, three hundred ten million, one hundred thirty-one thousand, two hundred twelve".