12002011000 has 96 divisors (see below), whose sum is σ = 32670097200. Its totient is φ = 4114958400.

The previous prime is 12002010997. The next prime is 12002011001. The reversal of 12002011000 is 11020021.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002011001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73470 + ... + 171469.

Almost surely, 2^12002011000 is an apocalyptic number.

12002011000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002011000 is an abundant number, since it is smaller than the sum of its proper divisors (20668086200).

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

12002011000 is a wasteful number, since it uses less digits than its factorization.

12002011000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244974 (or 244953 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 12002011000 its reverse (11020021), we get a palindrome (12013031021).

The spelling of 12002011000 in words is "twelve billion, two million, eleven thousand".