131212012222 has 8 divisors (see below), whose sum is σ = 196822861200. Its totient is φ = 65604391824.

The previous prime is 131212012219. The next prime is 131212012313. The reversal of 131212012222 is 222210212131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 131212012222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 702847 + ... + 869722.

It is an arithmetic number, because the mean of its divisors is an integer number (24602857650).

Almost surely, 2^131212012222 is an apocalyptic number.

131212012222 is a deficient number, since it is larger than the sum of its proper divisors (65610848978).

131212012222 is a wasteful number, since it uses less digits than its factorization.

131212012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614290.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 131212012222 its reverse (222210212131), we get a palindrome (353422224353).

The spelling of 131212012222 in words is "one hundred thirty-one billion, two hundred twelve million, twelve thousand, two hundred twenty-two".