10002011992 has 32 divisors (see below), whose sum is σ = 21955641120. Its totient is φ = 4182024960.

The previous prime is 10002011963. The next prime is 10002012011. The reversal of 10002011992 is 29911020001.

It is a super-2 number, since 2×10002011992² (a number of 21 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, 2175843 + ... + 2180434.

It is an arithmetic number, because the mean of its divisors is an integer number (686113785).

Almost surely, 2^10002011992 is an apocalyptic number.

It is an amenable number.

10002011992 is an abundant number, since it is smaller than the sum of its proper divisors (11953629128).

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

10002011992 is a wasteful number, since it uses less digits than its factorization.

10002011992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4356331 (or 4356327 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 25.

Adding to 10002011992 its reverse (29911020001), we get a palindrome (39913031993).

The spelling of 10002011992 in words is "ten billion, two million, eleven thousand, nine hundred ninety-two".