12122112011000 has 128 divisors (see below), whose sum is σ = 28656663572160. Its totient is φ = 4799148480000.

The previous prime is 12122112010999. The next prime is 12122112011033. The reversal of 12122112011000 is 11021122121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 309747434 + ... + 309786566.

Almost surely, 2^{12122112011000} is an apocalyptic number.

12122112011000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12122112011000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14328331786080).

12122112011000 is an abundant number, since it is smaller than the sum of its proper divisors (16534551561160).

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

12122112011000 is a wasteful number, since it uses less digits than its factorization.

12122112011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42322 (or 42308 counting only the distinct ones).

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

Adding to 12122112011000 its reverse (11021122121), we get a palindrome (12133133133121).

The spelling of 12122112011000 in words is "twelve trillion, one hundred twenty-two billion, one hundred twelve million, eleven thousand".