12203743452 has 48 divisors (see below), whose sum is σ = 29185132032. Its totient is φ = 3967143040.

The previous prime is 12203743429. The next prime is 12203743459. The reversal of 12203743452 is 25434730221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203743459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119983 + ... + 196985.

It is an arithmetic number, because the mean of its divisors is an integer number (608023584).

Almost surely, 2^12203743452 is an apocalyptic number.

12203743452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12203743452 is an abundant number, since it is smaller than the sum of its proper divisors (16981388580).

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

12203743452 is a wasteful number, since it uses less digits than its factorization.

12203743452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77338 (or 77336 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The spelling of 12203743452 in words is "twelve billion, two hundred three million, seven hundred forty-three thousand, four hundred fifty-two".