12122210212001 has 8 divisors (see below), whose sum is σ = 12331998397704. Its totient is φ = 11913603932160.

The previous prime is 12122210211977. The next prime is 12122210212037. The reversal of 12122210212001 is 10021201222121.

It can be written as a sum of positive squares in 4 ways, for example, as 883222160401 + 11238988051600 = 939799^2 + 3352460^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12122210212001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12122210212081) 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, 295455776 + ... + 295496801.

It is an arithmetic number, because the mean of its divisors is an integer number (1541499799713).

Almost surely, 2^{12122210212001} is an apocalyptic number.

It is an amenable number.

12122210212001 is a deficient number, since it is larger than the sum of its proper divisors (209788185703).

12122210212001 is an equidigital number, since it uses as much as digits as its factorization.

12122210212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590952931.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12122210212001 its reverse (10021201222121), we get a palindrome (22143411434122).

The spelling of 12122210212001 in words is "twelve trillion, one hundred twenty-two billion, two hundred ten million, two hundred twelve thousand, one".