12022201001 has 2 divisors, whose sum is σ = 12022201002. Its totient is φ = 12022201000.

The previous prime is 12022200991. The next prime is 12022201031. The reversal of 12022201001 is 10010222021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11729106601 + 293094400 = 108301^2 + 17120^2 .

It is an emirp because it is prime and its reverse (10010222021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12022201001 - 2¹⁰ = 12022199977 is a prime.

It is not a weakly prime, because it can be changed into another prime (12022201031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011100500 + 6011100501.

It is an arithmetic number, because the mean of its divisors is an integer number (6011100501).

Almost surely, 2^12022201001 is an apocalyptic number.

It is an amenable number.

12022201001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12022201001 is an equidigital number, since it uses as much as digits as its factorization.

12022201001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12022201001 its reverse (10010222021), we get a palindrome (22032423022).

The spelling of 12022201001 in words is "twelve billion, twenty-two million, two hundred one thousand, one".