1002001220112 has 80 divisors (see below), whose sum is σ = 2644750225152. Its totient is φ = 326749025280.

The previous prime is 1002001220107. The next prime is 1002001220123. The reversal of 1002001220112 is 2110221002001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5048578 + ... + 5243294.

Almost surely, 2^{1002001220112} is an apocalyptic number.

1002001220112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002001220112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1322375112576).

1002001220112 is an abundant number, since it is smaller than the sum of its proper divisors (1642749005040).

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

1002001220112 is a wasteful number, since it uses less digits than its factorization.

1002001220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197056 (or 197050 counting only the distinct ones).

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

Adding to 1002001220112 its reverse (2110221002001), we get a palindrome (3112222222113).

The spelling of 1002001220112 in words is "one trillion, two billion, one million, two hundred twenty thousand, one hundred twelve".