12122102300 has 144 divisors (see below), whose sum is σ = 33286702848. Its totient is φ = 3721766400.

The previous prime is 12122102287. The next prime is 12122102303. The reversal of 12122102300 is 320122121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122102303) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 504152 + ... + 527648.

Almost surely, 2^12122102300 is an apocalyptic number.

12122102300 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 12122102300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16643351424).

12122102300 is an abundant number, since it is smaller than the sum of its proper divisors (21164600548).

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

12122102300 is a wasteful number, since it uses less digits than its factorization.

12122102300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23596 (or 23589 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12122102300 its reverse (320122121), we get a palindrome (12442224421).

The spelling of 12122102300 in words is "twelve billion, one hundred twenty-two million, one hundred two thousand, three hundred".