1002022012 has 12 divisors (see below), whose sum is σ = 1800931720. Its totient is φ = 487470096.

The previous prime is 1002022003. The next prime is 1002022027. The reversal of 1002022012 is 2102202001.

It is a super-2 number, since 2×1002022012² = 2008096225065056288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1002022012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3385062 + ... + 3385357.

Almost surely, 2^1002022012 is an apocalyptic number.

It is an amenable number.

1002022012 is a deficient number, since it is larger than the sum of its proper divisors (798909708).

1002022012 is a wasteful number, since it uses less digits than its factorization.

1002022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6770460 (or 6770458 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1002022012 is about 31654.7312735395. The cubic root of 1002022012 is about 1000.6735502282.

Adding to 1002022012 its reverse (2102202001), we get a palindrome (3104224013).

The spelling of 1002022012 in words is "one billion, two million, twenty-two thousand, twelve".