12210112001 has 2 divisors, whose sum is σ = 12210112002. Its totient is φ = 12210112000.

The previous prime is 12210111983. The next prime is 12210112037. The reversal of 12210112001 is 10021101221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11680421776 + 529690225 = 108076^2 + 23015^2 .

It is an emirp because it is prime and its reverse (10021101221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12210112001 - 2⁶ = 12210111937 is a prime.

It is not a weakly prime, because it can be changed into another prime (12210112091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105056000 + 6105056001.

It is an arithmetic number, because the mean of its divisors is an integer number (6105056001).

Almost surely, 2^12210112001 is an apocalyptic number.

It is an amenable number.

12210112001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210112001 is an equidigital number, since it uses as much as digits as its factorization.

12210112001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12210112001 its reverse (10021101221), we get a palindrome (22231213222).

The spelling of 12210112001 in words is "twelve billion, two hundred ten million, one hundred twelve thousand, one".