131212195 has 16 divisors (see below), whose sum is σ = 166464000. Its totient is φ = 99011808.

The previous prime is 131212183. The next prime is 131212199. The reversal of 131212195 is 591212131.

It is a cyclic number.

It is not a de Polignac number, because 131212195 - 2¹⁵ = 131179427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131212199) 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, 19816 + ... + 25594.

It is an arithmetic number, because the mean of its divisors is an integer number (10404000).

Almost surely, 2^131212195 is an apocalyptic number.

131212195 is a deficient number, since it is larger than the sum of its proper divisors (35251805).

131212195 is a wasteful number, since it uses less digits than its factorization.

131212195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6042.

The product of its digits is 540, while the sum is 25.

The square root of 131212195 is about 11454.7891730926. The cubic root of 131212195 is about 508.1493802434.

The spelling of 131212195 in words is "one hundred thirty-one million, two hundred twelve thousand, one hundred ninety-five".