1223130412140 has 288 divisors, whose sum is σ = 4245320411136. Its totient is φ = 257636920320.

The previous prime is 1223130412103. The next prime is 1223130412199. The reversal of 1223130412140 is 412140313221.

It is a self number, because there is not a number n which added to its sum of digits gives 1223130412140.

It is an unprimeable number.

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, 43496685 + ... + 43524795.

It is an arithmetic number, because the mean of its divisors is an integer number (14740695872).

Almost surely, 2^{1223130412140} is an apocalyptic number.

1223130412140 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 1223130412140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2122660205568).

1223130412140 is an abundant number, since it is smaller than the sum of its proper divisors (3022189998996).

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

1223130412140 is a wasteful number, since it uses less digits than its factorization.

1223130412140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28769 (or 28754 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1223130412140 its reverse (412140313221), we get a palindrome (1635270725361).

The spelling of 1223130412140 in words is "one trillion, two hundred twenty-three billion, one hundred thirty million, four hundred twelve thousand, one hundred forty".