12232221301000 has 64 divisors (see below), whose sum is σ = 29321529597360. Its totient is φ = 4773549760000.

The previous prime is 12232221300991. The next prime is 12232221301009. The reversal of 12232221301000 is 10312223221.

It is an interprime number because it is at equal distance from previous prime (12232221300991) and next prime (12232221301009).

It can be written as a sum of positive squares in 8 ways, for example, as 235017465796 + 11997203835204 = 484786^2 + 3463698^2 .

It is not an unprimeable number, because it can be changed into a prime (12232221301009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149132431 + ... + 149214430.

Almost surely, 2^{12232221301000} is an apocalyptic number.

12232221301000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12232221301000 is an abundant number, since it is smaller than the sum of its proper divisors (17089308296360).

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

12232221301000 is a wasteful number, since it uses less digits than its factorization.

12232221301000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298346923 (or 298346909 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12232221301000 its reverse (10312223221), we get a palindrome (12242533524221).

The spelling of 12232221301000 in words is "twelve trillion, two hundred thirty-two billion, two hundred twenty-one million, three hundred one thousand".