122212100012001 has 4 divisors (see below), whose sum is σ = 162949466682672. Its totient is φ = 81474733341332.

The previous prime is 122212100011999. The next prime is 122212100012011. The reversal of 122212100012001 is 100210001212221.

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.

It is a cyclic number.

It is not a de Polignac number, because 122212100012001 - 2¹ = 122212100011999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122212100012011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20368683335331 + ... + 20368683335336.

It is an arithmetic number, because the mean of its divisors is an integer number (40737366670668).

Almost surely, 2^{122212100012001} is an apocalyptic number.

It is an amenable number.

122212100012001 is a deficient number, since it is larger than the sum of its proper divisors (40737366670671).

122212100012001 is an equidigital number, since it uses as much as digits as its factorization.

122212100012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40737366670670.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 122212100012001 its reverse (100210001212221), we get a palindrome (222422101224222).

The spelling of 122212100012001 in words is "one hundred twenty-two trillion, two hundred twelve billion, one hundred million, twelve thousand, one".