12342022100 has 72 divisors (see below), whose sum is σ = 28426930560. Its totient is φ = 4635051520.

The previous prime is 12342022039. The next prime is 12342022103. The reversal of 12342022100 is 122024321.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12342022103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 703637 + ... + 720963.

It is an arithmetic number, because the mean of its divisors is an integer number (394818480).

Almost surely, 2^12342022100 is an apocalyptic number.

12342022100 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 12342022100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14213465280).

12342022100 is an abundant number, since it is smaller than the sum of its proper divisors (16084908460).

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

12342022100 is a wasteful number, since it uses less digits than its factorization.

12342022100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17777 (or 17770 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 12342022100 its reverse (122024321), we get a palindrome (12464046421).

The spelling of 12342022100 in words is "twelve billion, three hundred forty-two million, twenty-two thousand, one hundred".