12002022001 has 8 divisors (see below), whose sum is σ = 12448448424. Its totient is φ = 11562019200.

The previous prime is 12002021971. The next prime is 12002022029. The reversal of 12002022001 is 10022020021.

It can be written as a sum of positive squares in 4 ways, for example, as 9924941376 + 2077080625 = 99624^2 + 45575^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12002022001 - 2⁹ = 12002021489 is a prime.

It is a super-2 number, since 2×12002022001² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12002022061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1602100 + ... + 1609573.

It is an arithmetic number, because the mean of its divisors is an integer number (1556056053).

Almost surely, 2^12002022001 is an apocalyptic number.

It is an amenable number.

12002022001 is a deficient number, since it is larger than the sum of its proper divisors (446426423).

12002022001 is a wasteful number, since it uses less digits than its factorization.

12002022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3211811.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 12002022001 its reverse (10022020021), we get a palindrome (22024042022).

The spelling of 12002022001 in words is "twelve billion, two million, twenty-two thousand, one".