212202112012001 has 4 divisors (see below), whose sum is σ = 212202156833172. Its totient is φ = 212202067190832.

The previous prime is 212202112011991. The next prime is 212202112012049. The reversal of 212202112012001 is 100210211202212.

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 200795956722001 + 11406155290000 = 14170249^2 + 3377300^2 .

It is a cyclic number.

It is not a de Polignac number, because 212202112012001 - 2⁶ = 212202112011937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212202112012301) 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, 14340206 + ... + 25100711.

It is an arithmetic number, because the mean of its divisors is an integer number (53050539208293).

Almost surely, 2^{212202112012001} is an apocalyptic number.

It is an amenable number.

212202112012001 is a deficient number, since it is larger than the sum of its proper divisors (44821171).

212202112012001 is an equidigital number, since it uses as much as digits as its factorization.

212202112012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44821170.

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

Adding to 212202112012001 its reverse (100210211202212), we get a palindrome (312412323214213).

The spelling of 212202112012001 in words is "two hundred twelve trillion, two hundred two billion, one hundred twelve million, twelve thousand, one".