120203313231220 has 12 divisors (see below), whose sum is σ = 252426957785604. Its totient is φ = 48081325292480.

The previous prime is 120203313231217. The next prime is 120203313231223. The reversal of 120203313231220 is 22132313302021.

It is an interprime number because it is at equal distance from previous prime (120203313231217) and next prime (120203313231223).

It can be written as a sum of positive squares in 2 ways, for example, as 73662155667556 + 46541157563664 = 8582666^2 + 6822108^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120203313231223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3005082830761 + ... + 3005082830800.

It is an arithmetic number, because the mean of its divisors is an integer number (21035579815467).

Almost surely, 2^{120203313231220} is an apocalyptic number.

120203313231220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120203313231220 is an abundant number, since it is smaller than the sum of its proper divisors (132223644554384).

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

120203313231220 is a wasteful number, since it uses less digits than its factorization.

120203313231220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6010165661570 (or 6010165661568 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 120203313231220 its reverse (22132313302021), we get a palindrome (142335626533241).

The spelling of 120203313231220 in words is "one hundred twenty trillion, two hundred three billion, three hundred thirteen million, two hundred thirty-one thousand, two hundred twenty".