122012205 has 48 divisors (see below), whose sum is σ = 239071680. Its totient is φ = 52835328.

The previous prime is 122012197. The next prime is 122012257. The reversal of 122012205 is 502210221.

It is not a de Polignac number, because 122012205 - 2³ = 122012197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 9597 + ... + 18333.

It is an arithmetic number, because the mean of its divisors is an integer number (4980660).

Almost surely, 2^122012205 is an apocalyptic number.

122012205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122012205 is a deficient number, since it is larger than the sum of its proper divisors (117059475).

122012205 is a wasteful number, since it uses less digits than its factorization.

122012205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8778 (or 8771 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 122012205 is about 11045.9134977602. The cubic root of 122012205 is about 495.9841048605.

Adding to 122012205 its reverse (502210221), we get a palindrome (624222426).

The spelling of 122012205 in words is "one hundred twenty-two million, twelve thousand, two hundred five".