12002111111000 has 64 divisors (see below), whose sum is σ = 28085479812000. Its totient is φ = 4800752169600.

The previous prime is 12002111110967. The next prime is 12002111111017. The reversal of 12002111111000 is 11111120021.

It is a super-2 number, since 2×12002111111000² (a number of 27 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 15 ways as a sum of consecutive naturals, for example, 79183286 + ... + 79334714.

Almost surely, 2^{12002111111000} is an apocalyptic number.

12002111111000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002111111000 is an abundant number, since it is smaller than the sum of its proper divisors (16083368701000).

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

12002111111000 is a wasteful number, since it uses less digits than its factorization.

12002111111000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230709 (or 230695 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12002111111000 its reverse (11111120021), we get a palindrome (12013222231021).

The spelling of 12002111111000 in words is "twelve trillion, two billion, one hundred eleven million, one hundred eleven thousand".