1000012122001 has 8 divisors (see below), whose sum is σ = 1028182756608. Its totient is φ = 972021492000.

The previous prime is 1000012121987. The next prime is 1000012122029. The reversal of 1000012122001 is 1002212100001.

1000012122001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1000012122001 - 2¹⁹ = 1000011597713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000012122101) 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, 44989885 + ... + 45012106.

It is an arithmetic number, because the mean of its divisors is an integer number (128522844576).

Almost surely, 2^{1000012122001} is an apocalyptic number.

It is an amenable number.

1000012122001 is a deficient number, since it is larger than the sum of its proper divisors (28170634607).

1000012122001 is an equidigital number, since it uses as much as digits as its factorization.

1000012122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90002303.

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

Adding to 1000012122001 its reverse (1002212100001), we get a palindrome (2002224222002).

The spelling of 1000012122001 in words is "one trillion, twelve million, one hundred twenty-two thousand, one".