1002021021212 has 24 divisors (see below), whose sum is σ = 1824635647296. Its totient is φ = 481098807488.

The previous prime is 1002021021193. The next prime is 1002021021229. The reversal of 1002021021212 is 2121201202001.

1002021021212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1002021021212² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50272103 + ... + 50292030.

It is an arithmetic number, because the mean of its divisors is an integer number (76026485304).

Almost surely, 2^{1002021021212} is an apocalyptic number.

It is an amenable number.

1002021021212 is a deficient number, since it is larger than the sum of its proper divisors (822614626084).

1002021021212 is a wasteful number, since it uses less digits than its factorization.

1002021021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100564237 (or 100564235 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1002021021212 its reverse (2121201202001), we get a palindrome (3123222223213).

The spelling of 1002021021212 in words is "one trillion, two billion, twenty-one million, twenty-one thousand, two hundred twelve".