1002022122012 has 12 divisors (see below), whose sum is σ = 2338051618056. Its totient is φ = 334007374000.

The previous prime is 1002022121987. The next prime is 1002022122019. The reversal of 1002022122012 is 2102212202001.

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

It is a junction number, because it is equal to n+sod(n) for n = 1002022121982 and 1002022122000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002022122019) 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, 41750921739 + ... + 41750921762.

It is an arithmetic number, because the mean of its divisors is an integer number (194837634838).

Almost surely, 2^{1002022122012} is an apocalyptic number.

1002022122012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1002022122012 is an abundant number, since it is smaller than the sum of its proper divisors (1336029496044).

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

1002022122012 is a wasteful number, since it uses less digits than its factorization.

1002022122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83501843508 (or 83501843506 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1002022122012 its reverse (2102212202001), we get a palindrome (3104234324013).

The spelling of 1002022122012 in words is "one trillion, two billion, twenty-two million, one hundred twenty-two thousand, twelve".