12212022001 has 2 divisors, whose sum is σ = 12212022002. Its totient is φ = 12212022000.

The previous prime is 12212021999. The next prime is 12212022037. The reversal of 12212022001 is 10022021221.

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., 11880782001 + 331240000 = 108999^2 + 18200^2 .

It is a cyclic number.

It is not a de Polignac number, because 12212022001 - 2¹ = 12212021999 is a prime.

Together with 12212021999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12212022041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106011000 + 6106011001.

It is an arithmetic number, because the mean of its divisors is an integer number (6106011001).

Almost surely, 2^12212022001 is an apocalyptic number.

It is an amenable number.

12212022001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212022001 is an equidigital number, since it uses as much as digits as its factorization.

12212022001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12212022001 its reverse (10022021221), we get a palindrome (22234043222).

The spelling of 12212022001 in words is "twelve billion, two hundred twelve million, twenty-two thousand, one".