131212211102 has 16 divisors (see below), whose sum is σ = 225055743360. Its totient is φ = 56203673688.

The previous prime is 131212211027. The next prime is 131212211107. The reversal of 131212211102 is 201112212131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131212211107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2483852 + ... + 2536127.

It is an arithmetic number, because the mean of its divisors is an integer number (14065983960).

Almost surely, 2^131212211102 is an apocalyptic number.

131212211102 is a deficient number, since it is larger than the sum of its proper divisors (93843532258).

131212211102 is a wasteful number, since it uses less digits than its factorization.

131212211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5021855.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 131212211102 its reverse (201112212131), we get a palindrome (332324423233).

The spelling of 131212211102 in words is "one hundred thirty-one billion, two hundred twelve million, two hundred eleven thousand, one hundred two".