12203401040 has 80 divisors (see below), whose sum is σ = 30261647952. Its totient is φ = 4560617472.

The previous prime is 12203401027. The next prime is 12203401043. The reversal of 12203401040 is 4010430221.

12203401040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 164044864 + 12039356176 = 12808^2 + 109724^2 .

It is a tau number, because it is divible by the number of its divisors (80).

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 (12203401043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153572 + ... + 219068.

Almost surely, 2^12203401040 is an apocalyptic number.

12203401040 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 12203401040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15130823976).

12203401040 is an abundant number, since it is smaller than the sum of its proper divisors (18058246912).

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

12203401040 is a wasteful number, since it uses less digits than its factorization.

12203401040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65664 (or 65658 counting only the distinct ones).

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

Adding to 12203401040 its reverse (4010430221), we get a palindrome (16213831261).

The spelling of 12203401040 in words is "twelve billion, two hundred three million, four hundred one thousand, forty".