1223131142130 has 64 divisors (see below), whose sum is σ = 3090152903040. Its totient is φ = 308987813376.

The previous prime is 1223131142119. The next prime is 1223131142131. The reversal of 1223131142130 is 312411313221.

It is a self number, because there is not a number n which added to its sum of digits gives 1223131142130.

It is not an unprimeable number, because it can be changed into a prime (1223131142131) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 20668864 + ... + 20727956.

It is an arithmetic number, because the mean of its divisors is an integer number (48283639110).

Almost surely, 2^{1223131142130} is an apocalyptic number.

1223131142130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223131142130 is an abundant number, since it is smaller than the sum of its proper divisors (1867021760910).

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

1223131142130 is a wasteful number, since it uses less digits than its factorization.

1223131142130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95435.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1223131142130 its reverse (312411313221), we get a palindrome (1535542455351).

The spelling of 1223131142130 in words is "one trillion, two hundred twenty-three billion, one hundred thirty-one million, one hundred forty-two thousand, one hundred thirty".