131121212233302 has 160 divisors (see below), whose sum is σ = 305248110182400. Its totient is φ = 42035197458240.

The previous prime is 131121212233301. The next prime is 131121212233309. The reversal of 131121212233302 is 203332212121131.

131121212233302 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 2 + 121 + 2 + 233 + 302 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131121212233301) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 205977699 + ... + 206613297.

It is an arithmetic number, because the mean of its divisors is an integer number (1907800688640).

Almost surely, 2^{131121212233302} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131121212233302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152624055091200).

131121212233302 is an abundant number, since it is smaller than the sum of its proper divisors (174126897949098).

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

131121212233302 is a wasteful number, since it uses less digits than its factorization.

131121212233302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636048 (or 636039 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 131121212233302 its reverse (203332212121131), we get a palindrome (334453424354433).

The spelling of 131121212233302 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, two hundred twelve million, two hundred thirty-three thousand, three hundred two".