1002002022012 has 12 divisors (see below), whose sum is σ = 2338004718056. Its totient is φ = 334000674000.

The previous prime is 1002002022011. The next prime is 1002002022017. The reversal of 1002002022012 is 2102202002001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1002002022012² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 83500168501 = 1002002022012 / (1 + 0 + 0 + 2 + 0 + 0 + 2 + 0 + 2 + 2 + 0 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002002022011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41750084239 + ... + 41750084262.

Almost surely, 2^{1002002022012} is an apocalyptic number.

1002002022012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1002002022012 is an abundant number, since it is smaller than the sum of its proper divisors (1336002696044).

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

1002002022012 is a wasteful number, since it uses less digits than its factorization.

1002002022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83500168508 (or 83500168506 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1002002022012 its reverse (2102202002001), we get a palindrome (3104204024013).

It can be divided in two parts, 100200 and 2022012, that added together give a palindrome (2122212).

The spelling of 1002002022012 in words is "one trillion, two billion, two million, twenty-two thousand, twelve".