212000130431 has 8 divisors (see below), whose sum is σ = 217409168064. Its totient is φ = 206628526080.

The previous prime is 212000130403. The next prime is 212000130467. The reversal of 212000130431 is 134031000212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212000130431 is a prime.

It is a super-2 number, since 2×212000130431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212000130481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9346850 + ... + 9369503.

It is an arithmetic number, because the mean of its divisors is an integer number (27176146008).

Almost surely, 2^212000130431 is an apocalyptic number.

212000130431 is a deficient number, since it is larger than the sum of its proper divisors (5409037633).

212000130431 is a wasteful number, since it uses less digits than its factorization.

212000130431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18716641.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 212000130431 its reverse (134031000212), we get a palindrome (346031130643).

The spelling of 212000130431 in words is "two hundred twelve billion, one hundred thirty thousand, four hundred thirty-one".