12213002001 has 32 divisors (see below), whose sum is σ = 17898301440. Its totient is φ = 7373165184.

The previous prime is 12213001993. The next prime is 12213002041. The reversal of 12213002001 is 10020031221.

It is not a de Polignac number, because 12213002001 - 2³ = 12213001993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12213002041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3240220 + ... + 3243986.

It is an arithmetic number, because the mean of its divisors is an integer number (559321920).

Almost surely, 2^12213002001 is an apocalyptic number.

It is an amenable number.

12213002001 is a deficient number, since it is larger than the sum of its proper divisors (5685299439).

12213002001 is a wasteful number, since it uses less digits than its factorization.

12213002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6285.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12213002001 its reverse (10020031221), we get a palindrome (22233033222).

The spelling of 12213002001 in words is "twelve billion, two hundred thirteen million, two thousand, one".