12203121040 has 240 divisors, whose sum is σ = 33129129600. Its totient is φ = 4168130560.

The previous prime is 12203121023. The next prime is 12203121083. The reversal of 12203121040 is 4012130221.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13135296 + ... + 13136224.

It is an arithmetic number, because the mean of its divisors is an integer number (138038040).

Almost surely, 2^12203121040 is an apocalyptic number.

12203121040 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 12203121040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16564564800).

12203121040 is an abundant number, since it is smaller than the sum of its proper divisors (20926008560).

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

12203121040 is a wasteful number, since it uses less digits than its factorization.

12203121040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046 (or 1029 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12203121040 its reverse (4012130221), we get a palindrome (16215251261).

The spelling of 12203121040 in words is "twelve billion, two hundred three million, one hundred twenty-one thousand, forty".