122003113212 has 36 divisors (see below), whose sum is σ = 308807474976. Its totient is φ = 40613544000.

The previous prime is 122003113159. The next prime is 122003113237. The reversal of 122003113212 is 212311300221.

122003113212 is a `hidden beast` number, since 12 + 20 + 0 + 311 + 321 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2229273 + ... + 2283344.

It is an arithmetic number, because the mean of its divisors is an integer number (8577985416).

Almost surely, 2^122003113212 is an apocalyptic number.

122003113212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122003113212 is an abundant number, since it is smaller than the sum of its proper divisors (186804361764).

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

122003113212 is a wasteful number, since it uses less digits than its factorization.

122003113212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4513378 (or 4513373 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 122003113212 its reverse (212311300221), we get a palindrome (334314413433).

The spelling of 122003113212 in words is "one hundred twenty-two billion, three million, one hundred thirteen thousand, two hundred twelve".