122212403 has 2 divisors, whose sum is σ = 122212404. Its totient is φ = 122212402.

The previous prime is 122212399. The next prime is 122212417. The reversal of 122212403 is 304212221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122212403 - 2² = 122212399 is a prime.

It is a zygodrome in base 3.

It is not a weakly prime, because it can be changed into another prime (122211403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61106201 + 61106202.

It is an arithmetic number, because the mean of its divisors is an integer number (61106202).

Almost surely, 2^122212403 is an apocalyptic number.

122212403 is a deficient number, since it is larger than the sum of its proper divisors (1).

122212403 is an equidigital number, since it uses as much as digits as its factorization.

122212403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 122212403 is about 11054.9718678973. The cubic root of 122212403 is about 496.2552273748.

Adding to 122212403 its reverse (304212221), we get a palindrome (426424624).

The spelling of 122212403 in words is "one hundred twenty-two million, two hundred twelve thousand, four hundred three".