1002202021012 has 48 divisors (see below), whose sum is σ = 1854910632960. Its totient is φ = 473026003200.

The previous prime is 1002202021001. The next prime is 1002202021013. The reversal of 1002202021012 is 2101202022001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1002202020983 and 1002202021001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002202021013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36779289 + ... + 36806527.

It is an arithmetic number, because the mean of its divisors is an integer number (38643971520).

Almost surely, 2^{1002202021012} is an apocalyptic number.

It is an amenable number.

1002202021012 is a deficient number, since it is larger than the sum of its proper divisors (852708611948).

1002202021012 is a wasteful number, since it uses less digits than its factorization.

1002202021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34552 (or 34550 counting only the distinct ones).

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

Adding to 1002202021012 its reverse (2101202022001), we get a palindrome (3103404043013).

The spelling of 1002202021012 in words is "one trillion, two billion, two hundred two million, twenty-one thousand, twelve".