12022402001 has 4 divisors (see below), whose sum is σ = 12024775092. Its totient is φ = 12020028912.

The previous prime is 12022401973. The next prime is 12022402009. The reversal of 12022402001 is 10020422021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11384890000 + 637512001 = 106700^2 + 25249^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12022402001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12022402009) 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, 1178930 + ... + 1189083.

It is an arithmetic number, because the mean of its divisors is an integer number (3006193773).

Almost surely, 2^12022402001 is an apocalyptic number.

It is an amenable number.

12022402001 is a deficient number, since it is larger than the sum of its proper divisors (2373091).

12022402001 is an equidigital number, since it uses as much as digits as its factorization.

12022402001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373090.

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

Adding to 12022402001 its reverse (10020422021), we get a palindrome (22042824022).

The spelling of 12022402001 in words is "twelve billion, twenty-two million, four hundred two thousand, one".