212030012131 has 8 divisors (see below), whose sum is σ = 242323507040. Its totient is φ = 181737390528.

The previous prime is 212030012123. The next prime is 212030012171. The reversal of 212030012131 is 131210030212.

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

It is a cyclic number.

It is not a de Polignac number, because 212030012131 - 2³ = 212030012123 is a prime.

It is a super-2 number, since 2×212030012131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212030012171) 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, 430495 + ... + 780631.

It is an arithmetic number, because the mean of its divisors is an integer number (30290438380).

Almost surely, 2^212030012131 is an apocalyptic number.

212030012131 is a deficient number, since it is larger than the sum of its proper divisors (30293494909).

212030012131 is an equidigital number, since it uses as much as digits as its factorization.

212030012131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436653.

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

Adding to 212030012131 its reverse (131210030212), we get a palindrome (343240042343).

The spelling of 212030012131 in words is "two hundred twelve billion, thirty million, twelve thousand, one hundred thirty-one".