1002012022212 has 12 divisors (see below), whose sum is σ = 2338028051856. Its totient is φ = 334004007400.

The previous prime is 1002012022189. The next prime is 1002012022243. The reversal of 1002012022212 is 2122202102001.

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 = 1002012022191 and 1002012022200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41750500914 + ... + 41750500937.

It is an arithmetic number, because the mean of its divisors is an integer number (194835670988).

Almost surely, 2^{1002012022212} is an apocalyptic number.

1002012022212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1002012022212 is an abundant number, since it is smaller than the sum of its proper divisors (1336016029644).

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

1002012022212 is a wasteful number, since it uses less digits than its factorization.

1002012022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83501001858 (or 83501001856 counting only the distinct ones).

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

Adding to 1002012022212 its reverse (2122202102001), we get a palindrome (3124214124213).

The spelling of 1002012022212 in words is "one trillion, two billion, twelve million, twenty-two thousand, two hundred twelve".