10002012221002 has 8 divisors (see below), whose sum is σ = 15520363791300. Its totient is φ = 4828557623904.

The previous prime is 10002012220987. The next prime is 10002012221009. The reversal of 10002012221002 is 20012221020001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9966276477481 + 35735743521 = 3156941^2 + 189039^2 .

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

It is a super-3 number, since 3×10002012221002³ (a number of 40 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (10002012221009) 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 3 ways as a sum of consecutive naturals, for example, 86224243227 + ... + 86224243342.

Almost surely, 2^{10002012221002} is an apocalyptic number.

10002012221002 is a deficient number, since it is larger than the sum of its proper divisors (5518351570298).

10002012221002 is a wasteful number, since it uses less digits than its factorization.

10002012221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172448486600.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10002012221002 its reverse (20012221020001), we get a palindrome (30014233241003).

The spelling of 10002012221002 in words is "ten trillion, two billion, twelve million, two hundred twenty-one thousand, two".