131212006 has 16 divisors (see below), whose sum is σ = 202072464. Its totient is φ = 63864864.

The previous prime is 131211989. The next prime is 131212019. The reversal of 131212006 is 600212131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24856 + ... + 29668.

It is an arithmetic number, because the mean of its divisors is an integer number (12629529).

Almost surely, 2^131212006 is an apocalyptic number.

131212006 is a deficient number, since it is larger than the sum of its proper divisors (70860458).

131212006 is a wasteful number, since it uses less digits than its factorization.

131212006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5175.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 131212006 is about 11454.7809232652. The cubic root of 131212006 is about 508.1491362614.

Adding to 131212006 its reverse (600212131), we get a palindrome (731424137).

The spelling of 131212006 in words is "one hundred thirty-one million, two hundred twelve thousand, six".