10002012220001 has 8 divisors (see below), whose sum is σ = 10247438481000. Its totient is φ = 9756656184960.

The previous prime is 10002012219989. The next prime is 10002012220037. The reversal of 10002012220001 is 10002221020001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 87379360000 + 9914632860001 = 295600^2 + 3148751^2 .

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-10002012220001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10002012222001) 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, 17268086 + ... + 17837903.

It is an arithmetic number, because the mean of its divisors is an integer number (1280929810125).

Almost surely, 2^{10002012220001} is an apocalyptic number.

It is an amenable number.

10002012220001 is a deficient number, since it is larger than the sum of its proper divisors (245426260999).

10002012220001 is an equidigital number, since it uses as much as digits as its factorization.

10002012220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35112979.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10002012220001 its reverse (10002221020001), we get a palindrome (20004233240002).

The spelling of 10002012220001 in words is "ten trillion, two billion, twelve million, two hundred twenty thousand, one".