12022222001 has 8 divisors (see below), whose sum is σ = 12266431464. Its totient is φ = 11780467200.

The previous prime is 12022221989. The next prime is 12022222019. The reversal of 12022222001 is 10022222021.

It can be written as a sum of positive squares in 4 ways, for example, as 1138725025 + 10883496976 = 33745^2 + 104324^2 .

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 12022222001 - 2¹⁸ = 12021959857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12022222021) 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, 603770 + ... + 623363.

It is an arithmetic number, because the mean of its divisors is an integer number (1533303933).

Almost surely, 2^12022222001 is an apocalyptic number.

It is an amenable number.

12022222001 is a deficient number, since it is larger than the sum of its proper divisors (244209463).

12022222001 is a wasteful number, since it uses less digits than its factorization.

12022222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227331.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12022222001 its reverse (10022222021), we get a palindrome (22044444022).

The spelling of 12022222001 in words is "twelve billion, twenty-two million, two hundred twenty-two thousand, one".