12212111002001 has 16 divisors (see below), whose sum is σ = 12464570824128. Its totient is φ = 11960478878400.

The previous prime is 12212111001989. The next prime is 12212111002009. The reversal of 12212111002001 is 10020011121221.

It is not a de Polignac number, because 12212111002001 - 2¹⁰ = 12212111000977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212111002009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116445350 + ... + 116550176.

It is an arithmetic number, because the mean of its divisors is an integer number (779035676508).

Almost surely, 2^{12212111002001} is an apocalyptic number.

It is an amenable number.

12212111002001 is a deficient number, since it is larger than the sum of its proper divisors (252459822127).

12212111002001 is a wasteful number, since it uses less digits than its factorization.

12212111002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108752.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12212111002001 its reverse (10020011121221), we get a palindrome (22232122123222).

The spelling of 12212111002001 in words is "twelve trillion, two hundred twelve billion, one hundred eleven million, two thousand, one".