1223142220300 has 288 divisors, whose sum is σ = 3630961603584. Its totient is φ = 345271680000.

The previous prime is 1223142220291. The next prime is 1223142220309. The reversal of 1223142220300 is 30222413221.

It is an interprime number because it is at equal distance from previous prime (1223142220291) and next prime (1223142220309).

It is a super-3 number, since 3×1223142220300³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1223142220309) 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 95 ways as a sum of consecutive naturals, for example, 5190025 + ... + 5420575.

It is an arithmetic number, because the mean of its divisors is an integer number (12607505568).

Almost surely, 2^{1223142220300} is an apocalyptic number.

1223142220300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1223142220300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1815480801792).

1223142220300 is an abundant number, since it is smaller than the sum of its proper divisors (2407819383284).

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

1223142220300 is a wasteful number, since it uses less digits than its factorization.

1223142220300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230649 (or 230642 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1223142220300 its reverse (30222413221), we get a palindrome (1253364633521).

The spelling of 1223142220300 in words is "one trillion, two hundred twenty-three billion, one hundred forty-two million, two hundred twenty thousand, three hundred".