10012001221002 has 32 divisors (see below), whose sum is σ = 21845524137984. Its totient is φ = 3033778953200.

The previous prime is 10012001220979. The next prime is 10012001221003. The reversal of 10012001221002 is 20012210021001.

It is not an unprimeable number, because it can be changed into a prime (10012001221003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2762688 + ... + 5258939.

It is an arithmetic number, because the mean of its divisors is an integer number (682672629312).

Almost surely, 2^{10012001221002} is an apocalyptic number.

10012001221002 is an abundant number, since it is smaller than the sum of its proper divisors (11833522916982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10012001221002 is a wasteful number, since it uses less digits than its factorization.

10012001221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8040554.

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

Adding to 10012001221002 its reverse (20012210021001), we get a palindrome (30024211242003).

It can be divided in two parts, 1001 and 2001221002, that multiplied together give a palindrome (2003222223002).

The spelling of 10012001221002 in words is "ten trillion, twelve billion, one million, two hundred twenty-one thousand, two".