12012213001 has 8 divisors (see below), whose sum is σ = 12127174400. Its totient is φ = 11897338320.

The previous prime is 12012212963. The next prime is 12012213007. The reversal of 12012213001 is 10031221021.

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 12012213001 - 2¹¹ = 12012210953 is a prime.

It is a super-2 number, since 2×12012213001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012213007) 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, 276106 + ... + 316636.

It is an arithmetic number, because the mean of its divisors is an integer number (1515896800).

Almost surely, 2^12012213001 is an apocalyptic number.

It is an amenable number.

12012213001 is a deficient number, since it is larger than the sum of its proper divisors (114961399).

12012213001 is a wasteful number, since it uses less digits than its factorization.

12012213001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43359.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12012213001 its reverse (10031221021), we get a palindrome (22043434022).

The spelling of 12012213001 in words is "twelve billion, twelve million, two hundred thirteen thousand, one".