122212002001 has 4 divisors (see below), whose sum is σ = 123354170352. Its totient is φ = 121069833652.

The previous prime is 122212001953. The next prime is 122212002067. The reversal of 122212002001 is 100200212221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100200212221 = 431 ⋅232483091.

It is a cyclic number.

It is not a de Polignac number, because 122212002001 - 2⁹ = 122212001489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122212002401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571084015 + ... + 571084228.

It is an arithmetic number, because the mean of its divisors is an integer number (30838542588).

Almost surely, 2^122212002001 is an apocalyptic number.

It is an amenable number.

122212002001 is a deficient number, since it is larger than the sum of its proper divisors (1142168351).

122212002001 is a wasteful number, since it uses less digits than its factorization.

122212002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142168350.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 122212002001 its reverse (100200212221), we get a palindrome (222412214222).

The spelling of 122212002001 in words is "one hundred twenty-two billion, two hundred twelve million, two thousand, one".