131220333013200 has 120 divisors (see below), whose sum is σ = 426100583019648. Its totient is φ = 34512745098240.

The previous prime is 131220333013171. The next prime is 131220333013213. The reversal of 131220333013200 is 2310333022131.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 748886904 + ... + 749062103.

Almost surely, 2^{131220333013200} is an apocalyptic number.

131220333013200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131220333013200 is an abundant number, since it is smaller than the sum of its proper divisors (294880250006448).

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

131220333013200 is a wasteful number, since it uses less digits than its factorization.

131220333013200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497949101 (or 1497949090 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 131220333013200 its reverse (2310333022131), we get a palindrome (133530666035331).

The spelling of 131220333013200 in words is "one hundred thirty-one trillion, two hundred twenty billion, three hundred thirty-three million, thirteen thousand, two hundred".