1002012202012 has 24 divisors (see below), whose sum is σ = 1891701178416. Its totient is φ = 462638262528.

The previous prime is 1002012202003. The next prime is 1002012202019. The reversal of 1002012202012 is 2102022102001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1002012201983 and 1002012202001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002012202019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139010298 + ... + 139017505.

It is an arithmetic number, because the mean of its divisors is an integer number (78820882434).

Almost surely, 2^{1002012202012} is an apocalyptic number.

It is an amenable number.

1002012202012 is a deficient number, since it is larger than the sum of its proper divisors (889688976404).

1002012202012 is a wasteful number, since it uses less digits than its factorization.

1002012202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278027877 (or 278027875 counting only the distinct ones).

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

Adding to 1002012202012 its reverse (2102022102001), we get a palindrome (3104034304013).

The spelling of 1002012202012 in words is "one trillion, two billion, twelve million, two hundred two thousand, twelve".