131615241212 has 48 divisors (see below), whose sum is σ = 283525132800. Its totient is φ = 52059091392.

The previous prime is 131615241211. The next prime is 131615241227. The reversal of 131615241212 is 212142516131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131615241211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2510039 + ... + 2561937.

It is an arithmetic number, because the mean of its divisors is an integer number (5906773600).

Almost surely, 2^131615241212 is an apocalyptic number.

It is an amenable number.

131615241212 is an abundant number, since it is smaller than the sum of its proper divisors (151909891588).

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

131615241212 is a wasteful number, since it uses less digits than its factorization.

131615241212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58890 (or 58888 counting only the distinct ones).

The product of its digits is 2880, while the sum is 29.

Adding to 131615241212 its reverse (212142516131), we get a palindrome (343757757343).

The spelling of 131615241212 in words is "one hundred thirty-one billion, six hundred fifteen million, two hundred forty-one thousand, two hundred twelve".