1002002012122 has 8 divisors (see below), whose sum is σ = 1510126255872. Its totient is φ = 498626593500.

The previous prime is 1002002012071. The next prime is 1002002012149. The reversal of 1002002012122 is 2212102002001.

It is a happy number.

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

It is a super-3 number, since 3×1002002012122³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1187205754 + ... + 1187206597.

It is an arithmetic number, because the mean of its divisors is an integer number (188765781984).

Almost surely, 2^{1002002012122} is an apocalyptic number.

1002002012122 is a deficient number, since it is larger than the sum of its proper divisors (508124243750).

1002002012122 is a wasteful number, since it uses less digits than its factorization.

1002002012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2374412564.

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

Adding to 1002002012122 its reverse (2212102002001), we get a palindrome (3214104014123).

The spelling of 1002002012122 in words is "one trillion, two billion, two million, twelve thousand, one hundred twenty-two".