12101203424 has 96 divisors (see below), whose sum is σ = 25071270336. Its totient is φ = 5743595520.

The previous prime is 12101203421. The next prime is 12101203451. The reversal of 12101203424 is 42430210121.

It is a junction number, because it is equal to n+sod(n) for n = 12101203396 and 12101203405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101203421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9894077 + ... + 9895299.

It is an arithmetic number, because the mean of its divisors is an integer number (261159066).

Almost surely, 2^12101203424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12101203424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12535635168).

12101203424 is an abundant number, since it is smaller than the sum of its proper divisors (12970066912).

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

12101203424 is a wasteful number, since it uses less digits than its factorization.

12101203424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468 (or 1460 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12101203424 its reverse (42430210121), we get a palindrome (54531413545).

The spelling of 12101203424 in words is "twelve billion, one hundred one million, two hundred three thousand, four hundred twenty-four".