122313012 has 12 divisors (see below), whose sum is σ = 285397056. Its totient is φ = 40771000.

The previous prime is 122312999. The next prime is 122313017. The reversal of 122313012 is 210313221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 122312982 and 122313000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122313017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5096364 + ... + 5096387.

It is an arithmetic number, because the mean of its divisors is an integer number (23783088).

Almost surely, 2^122313012 is an apocalyptic number.

122313012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122313012 is an abundant number, since it is smaller than the sum of its proper divisors (163084044).

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

122313012 is a wasteful number, since it uses less digits than its factorization.

122313012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10192758 (or 10192756 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 122313012 is about 11059.5213277971. The cubic root of 122313012 is about 496.3913675334.

Adding to 122313012 its reverse (210313221), we get a palindrome (332626233).

The spelling of 122313012 in words is "one hundred twenty-two million, three hundred thirteen thousand, twelve".