12203231322220 has 24 divisors (see below), whose sum is σ = 25649728335504. Its totient is φ = 4876922517696.

The previous prime is 12203231322211. The next prime is 12203231322229. The reversal of 12203231322220 is 2222313230221.

It is an interprime number because it is at equal distance from previous prime (12203231322211) and next prime (12203231322229).

It is a super-2 number, since 2×12203231322220² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12203231322229) 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 7 ways as a sum of consecutive naturals, for example, 273102802 + ... + 273147481.

It is an arithmetic number, because the mean of its divisors is an integer number (1068738680646).

Almost surely, 2^{12203231322220} is an apocalyptic number.

12203231322220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12203231322220 is an abundant number, since it is smaller than the sum of its proper divisors (13446497013284).

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

12203231322220 is a wasteful number, since it uses less digits than its factorization.

12203231322220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546251409 (or 546251407 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 12203231322220 its reverse (2222313230221), we get a palindrome (14425544552441).

The spelling of 12203231322220 in words is "twelve trillion, two hundred three billion, two hundred thirty-one million, three hundred twenty-two thousand, two hundred twenty".