12101111222000 has 40 divisors (see below), whose sum is σ = 29260486939632. Its totient is φ = 4840444488000.

The previous prime is 12101111221963. The next prime is 12101111222003. The reversal of 12101111222000 is 22211110121.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101111222003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3025275806 + ... + 3025279805.

Almost surely, 2^{12101111222000} is an apocalyptic number.

12101111222000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12101111222000 is an abundant number, since it is smaller than the sum of its proper divisors (17159375717632).

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

12101111222000 is an equidigital number, since it uses as much as digits as its factorization.

12101111222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6050555634 (or 6050555618 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12101111222000 its reverse (22211110121), we get a palindrome (12123322332121).

The spelling of 12101111222000 in words is "twelve trillion, one hundred one billion, one hundred eleven million, two hundred twenty-two thousand".