122212001 has 8 divisors (see below), whose sum is σ = 124717824. Its totient is φ = 119728800.

The previous prime is 122211989. The next prime is 122212007. The reversal of 122212001 is 100212221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122212001 - 2⁶ = 122211937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122212007) 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 7 ways as a sum of consecutive naturals, for example, 5480 + ... + 16566.

It is an arithmetic number, because the mean of its divisors is an integer number (15589728).

Almost surely, 2^122212001 is an apocalyptic number.

It is an amenable number.

122212001 is a deficient number, since it is larger than the sum of its proper divisors (2505823).

122212001 is a wasteful number, since it uses less digits than its factorization.

122212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11311.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 122212001 is about 11054.9536860179. The cubic root of 122212001 is about 496.2546832543.

Adding to 122212001 its reverse (100212221), we get a palindrome (222424222).

The spelling of 122212001 in words is "one hundred twenty-two million, two hundred twelve thousand, one".