12203231221300 has 72 divisors (see below), whose sum is σ = 30264493573440. Its totient is φ = 4183898611200.

The previous prime is 12203231221243. The next prime is 12203231221309. The reversal of 12203231221300 is 312213230221.

It is a super-2 number, since 2×12203231221300² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203231221309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67928595 + ... + 68108005.

It is an arithmetic number, because the mean of its divisors is an integer number (420340188520).

Almost surely, 2^{12203231221300} is an apocalyptic number.

12203231221300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12203231221300 is an abundant number, since it is smaller than the sum of its proper divisors (18061262352140).

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

12203231221300 is a wasteful number, since it uses less digits than its factorization.

12203231221300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276601 (or 276594 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12203231221300 its reverse (312213230221), we get a palindrome (12515444451521).

The spelling of 12203231221300 in words is "twelve trillion, two hundred three billion, two hundred thirty-one million, two hundred twenty-one thousand, three hundred".