12223131030020 has 48 divisors (see below), whose sum is σ = 26215232456448. Its totient is φ = 4785131320320.

The previous prime is 12223131029987. The next prime is 12223131030053. The reversal of 12223131030020 is 2003013132221.

It is an interprime number because it is at equal distance from previous prime (12223131029987) and next prime (12223131030053).

It is a super-2 number, since 2×12223131030020² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12223131029974 and 12223131030001.

It is an unprimeable number.

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, 65211035 + ... + 65398205.

It is an arithmetic number, because the mean of its divisors is an integer number (546150676176).

Almost surely, 2^{12223131030020} is an apocalyptic number.

12223131030020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12223131030020 is an abundant number, since it is smaller than the sum of its proper divisors (13992101426428).

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

12223131030020 is a wasteful number, since it uses less digits than its factorization.

12223131030020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256700 (or 256698 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12223131030020 its reverse (2003013132221), we get a palindrome (14226144162241).

The spelling of 12223131030020 in words is "twelve trillion, two hundred twenty-three billion, one hundred thirty-one million, thirty thousand, twenty".