131212014244 has 18 divisors (see below), whose sum is σ = 230201978370. Its totient is φ = 65440438272.

The previous prime is 131212014233. The next prime is 131212014259. The reversal of 131212014244 is 442410212131.

It can be written as a sum of positive squares in 3 ways, for example, as 8405222400 + 122806791844 = 91680^2 + 350438^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 526372 + ... + 734500.

Almost surely, 2^131212014244 is an apocalyptic number.

It is an amenable number.

131212014244 is a deficient number, since it is larger than the sum of its proper divisors (98989964126).

131212014244 is an equidigital number, since it uses as much as digits as its factorization.

131212014244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208927 (or 208528 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 131212014244 its reverse (442410212131), we get a palindrome (573622226375).

The spelling of 131212014244 in words is "one hundred thirty-one billion, two hundred twelve million, fourteen thousand, two hundred forty-four".