131220121301230 has 16 divisors (see below), whose sum is σ = 254365158214944. Its totient is φ = 48450506326560.

The previous prime is 131220121301197. The next prime is 131220121301267. The reversal of 131220121301230 is 32103121022131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504692774106 + ... + 504692774365.

It is an arithmetic number, because the mean of its divisors is an integer number (15897822388434).

Almost surely, 2^{131220121301230} is an apocalyptic number.

131220121301230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131220121301230 is a deficient number, since it is larger than the sum of its proper divisors (123145036913714).

131220121301230 is a wasteful number, since it uses less digits than its factorization.

131220121301230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009385548491.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 131220121301230 its reverse (32103121022131), we get a palindrome (163323242323361).

The spelling of 131220121301230 in words is "one hundred thirty-one trillion, two hundred twenty billion, one hundred twenty-one million, three hundred one thousand, two hundred thirty".