1002212120001 has 8 divisors (see below), whose sum is σ = 1336344332224. Its totient is φ = 668110660560.

The previous prime is 1002212119999. The next prime is 1002212120027. The reversal of 1002212120001 is 1000212122001.

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

It is not a de Polignac number, because 1002212120001 - 2¹ = 1002212119999 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1002212120071) 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, 7612045 + ... + 7742586.

It is an arithmetic number, because the mean of its divisors is an integer number (167043041528).

Almost surely, 2^{1002212120001} is an apocalyptic number.

It is an amenable number.

1002212120001 is a deficient number, since it is larger than the sum of its proper divisors (334132212223).

1002212120001 is a wasteful number, since it uses less digits than its factorization.

1002212120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15376391.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1002212120001 its reverse (1000212122001), we get a palindrome (2002424242002).

It can be divided in two parts, 100221 and 2120001, that added together give a palindrome (2220222).

The spelling of 1002212120001 in words is "one trillion, two billion, two hundred twelve million, one hundred twenty thousand, one".