122012003 has 4 divisors (see below), whose sum is σ = 122132760. Its totient is φ = 121891248.

The previous prime is 122011999. The next prime is 122012021. The reversal of 122012003 is 300210221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300210221 = 107 ⋅2805703.

It is a cyclic number.

It is not a de Polignac number, because 122012003 - 2² = 122011999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122012083) 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, 58850 + ... + 60887.

It is an arithmetic number, because the mean of its divisors is an integer number (30533190).

Almost surely, 2^122012003 is an apocalyptic number.

122012003 is a deficient number, since it is larger than the sum of its proper divisors (120757).

122012003 is a wasteful number, since it uses less digits than its factorization.

122012003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120756.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 122012003 is about 11045.9043541034. The cubic root of 122012003 is about 495.9838311478.

Adding to 122012003 its reverse (300210221), we get a palindrome (422222224).

The spelling of 122012003 in words is "one hundred twenty-two million, twelve thousand, three".