12203342420 has 24 divisors (see below), whose sum is σ = 26975810400. Its totient is φ = 4624424352.

The previous prime is 12203342381. The next prime is 12203342429. The reversal of 12203342420 is 2424330221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203342429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16056650 + ... + 16057409.

It is an arithmetic number, because the mean of its divisors is an integer number (1123992100).

Almost surely, 2^12203342420 is an apocalyptic number.

12203342420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12203342420 is an abundant number, since it is smaller than the sum of its proper divisors (14772467980).

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

12203342420 is a wasteful number, since it uses less digits than its factorization.

12203342420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32114087 (or 32114085 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 12203342420 its reverse (2424330221), we get a palindrome (14627672641).

The spelling of 12203342420 in words is "twelve billion, two hundred three million, three hundred forty-two thousand, four hundred twenty".