12002212001001 has 4 divisors (see below), whose sum is σ = 16002949334672. Its totient is φ = 8001474667332.

The previous prime is 12002212000957. The next prime is 12002212001023. The reversal of 12002212001001 is 10010021220021.

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 not a de Polignac number, because 12002212001001 - 2⁴² = 7604165489897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12002212001081) 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, 2000368666831 + ... + 2000368666836.

It is an arithmetic number, because the mean of its divisors is an integer number (4000737333668).

Almost surely, 2^{12002212001001} is an apocalyptic number.

It is an amenable number.

12002212001001 is a deficient number, since it is larger than the sum of its proper divisors (4000737333671).

12002212001001 is an equidigital number, since it uses as much as digits as its factorization.

12002212001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4000737333670.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12002212001001 its reverse (10010021220021), we get a palindrome (22012233221022).

The spelling of 12002212001001 in words is "twelve trillion, two billion, two hundred twelve million, one thousand, one".