12111002102000 has 80 divisors (see below), whose sum is σ = 29285160153600. Its totient is φ = 4844275603200.

The previous prime is 12111002101949. The next prime is 12111002102021. The reversal of 12111002102000 is 20120011121.

It is a tau number, because it is divible by the number of its divisors (80).

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, 139614641 + ... + 139701359.

It is an arithmetic number, because the mean of its divisors is an integer number (366064501920).

Almost surely, 2^{12111002102000} is an apocalyptic number.

12111002102000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12111002102000 is an abundant number, since it is smaller than the sum of its proper divisors (17174158051600).

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

12111002102000 is an equidigital number, since it uses as much as digits as its factorization.

12111002102000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156571 (or 156555 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12111002102000 its reverse (20120011121), we get a palindrome (12131122113121).

The spelling of 12111002102000 in words is "twelve trillion, one hundred eleven billion, two million, one hundred two thousand".