12212212002001 has 4 divisors (see below), whose sum is σ = 13322413093104. Its totient is φ = 11102010910900.

The previous prime is 12212212001987. The next prime is 12212212002007. The reversal of 12212212002001 is 10020021221221.

It is a happy number.

12212212002001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12212212002001 - 2³⁷ = 12074773048529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212212002007) 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, 555100545535 + ... + 555100545556.

It is an arithmetic number, because the mean of its divisors is an integer number (3330603273276).

Almost surely, 2^{12212212002001} is an apocalyptic number.

12212212002001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12212212002001 is a deficient number, since it is larger than the sum of its proper divisors (1110201091103).

12212212002001 is a wasteful number, since it uses less digits than its factorization.

12212212002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110201091102.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12212212002001 its reverse (10020021221221), we get a palindrome (22232233223222).

The spelling of 12212212002001 in words is "twelve trillion, two hundred twelve billion, two hundred twelve million, two thousand, one".