12212010001 has 4 divisors (see below), whose sum is σ = 12324046900. Its totient is φ = 12099973104.

The previous prime is 12212009989. The next prime is 12212010007. The reversal of 12212010001 is 10001021221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7190870401 + 5021139600 = 84799^2 + 70860^2 .

It is a cyclic number.

It is not a de Polignac number, because 12212010001 - 2¹⁵ = 12211977233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12212010001.

It is not an unprimeable number, because it can be changed into a prime (12212010007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56018286 + ... + 56018503.

It is an arithmetic number, because the mean of its divisors is an integer number (3081011725).

Almost surely, 2^12212010001 is an apocalyptic number.

It is an amenable number.

12212010001 is a deficient number, since it is larger than the sum of its proper divisors (112036899).

12212010001 is a wasteful number, since it uses less digits than its factorization.

12212010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112036898.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12212010001 its reverse (10001021221), we get a palindrome (22213031222).

The spelling of 12212010001 in words is "twelve billion, two hundred twelve million, ten thousand, one".