1002011212001 has 8 divisors (see below), whose sum is σ = 1010479365120. Its totient is φ = 993552095088.

The previous prime is 1002011211997. The next prime is 1002011212057. The reversal of 1002011212001 is 1002121102001.

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 1002011212001 - 2² = 1002011211997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002011212801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2036246 + ... + 2479983.

It is an arithmetic number, because the mean of its divisors is an integer number (126309920640).

Almost surely, 2^{1002011212001} is an apocalyptic number.

It is an amenable number.

1002011212001 is a deficient number, since it is larger than the sum of its proper divisors (8468153119).

1002011212001 is a wasteful number, since it uses less digits than its factorization.

1002011212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4518103.

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

Adding to 1002011212001 its reverse (1002121102001), we get a palindrome (2004132314002).

The spelling of 1002011212001 in words is "one trillion, two billion, eleven million, two hundred twelve thousand, one".