131212213013040 has 40 divisors (see below), whose sum is σ = 406757860341168. Its totient is φ = 34989923470080.

The previous prime is 131212213013039. The next prime is 131212213013041. The reversal of 131212213013040 is 40310312212131.

It is an interprime number because it is at equal distance from previous prime (131212213013039) and next prime (131212213013041).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 131212213013040.

It is not an unprimeable number, because it can be changed into a prime (131212213013041) 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, 273358776871 + ... + 273358777350.

Almost surely, 2^{131212213013040} is an apocalyptic number.

131212213013040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131212213013040 is an abundant number, since it is smaller than the sum of its proper divisors (275545647328128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131212213013040 is a wasteful number, since it uses less digits than its factorization.

131212213013040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546717554237 (or 546717554231 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 131212213013040 its reverse (40310312212131), we get a palindrome (171522525225171).

The spelling of 131212213013040 in words is "one hundred thirty-one trillion, two hundred twelve billion, two hundred thirteen million, thirteen thousand, forty".