12220022001 has 16 divisors (see below), whose sum is σ = 18387495360. Its totient is φ = 7150691520.

The previous prime is 12220021993. The next prime is 12220022011. The reversal of 12220022001 is 10022002221.

It is not a de Polignac number, because 12220022001 - 2³ = 12220021993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12220022011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6383590 + ... + 6385503.

It is an arithmetic number, because the mean of its divisors is an integer number (1149218460).

Almost surely, 2^12220022001 is an apocalyptic number.

12220022001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12220022001 is a deficient number, since it is larger than the sum of its proper divisors (6167473359).

12220022001 is a wasteful number, since it uses less digits than its factorization.

12220022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12769136.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12220022001 its reverse (10022002221), we get a palindrome (22242024222).

The spelling of 12220022001 in words is "twelve billion, two hundred twenty million, twenty-two thousand, one".