12022121201 has 4 divisors (see below), whose sum is σ = 12022365504. Its totient is φ = 12021876900.

The previous prime is 12022121197. The next prime is 12022121231. The reversal of 12022121201 is 10212122021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12022121201 - 2² = 12022121197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12022121231) 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, 19685 + ... + 156306.

It is an arithmetic number, because the mean of its divisors is an integer number (3005591376).

Almost surely, 2^12022121201 is an apocalyptic number.

It is an amenable number.

12022121201 is a deficient number, since it is larger than the sum of its proper divisors (244303).

12022121201 is an equidigital number, since it uses as much as digits as its factorization.

12022121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244302.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12022121201 its reverse (10212122021), we get a palindrome (22234243222).

The spelling of 12022121201 in words is "twelve billion, twenty-two million, one hundred twenty-one thousand, two hundred one".