12102201122000 has 160 divisors (see below), whose sum is σ = 31943869461504. Its totient is φ = 4397979456000.

The previous prime is 12102201121987. The next prime is 12102201122009. The reversal of 12102201122000 is 22110220121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102201122009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34298474 + ... + 34649526.

Almost surely, 2^{12102201122000} is an apocalyptic number.

12102201122000 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 12102201122000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15971934730752).

12102201122000 is an abundant number, since it is smaller than the sum of its proper divisors (19841668339504).

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

12102201122000 is a wasteful number, since it uses less digits than its factorization.

12102201122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352654 (or 352638 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12102201122000 its reverse (22110220121), we get a palindrome (12124311342121).

The spelling of 12102201122000 in words is "twelve trillion, one hundred two billion, two hundred one million, one hundred twenty-two thousand".