212130130311 has 32 divisors (see below), whose sum is σ = 342865977600. Its totient is φ = 128552689440.

The previous prime is 212130130309. The next prime is 212130130321. The reversal of 212130130311 is 113031031212.

212130130311 is a `hidden beast` number, since 2 + 1 + 21 + 301 + 30 + 311 = 666.

It is not a de Polignac number, because 212130130311 - 2¹ = 212130130309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212130130301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4630305 + ... + 4675893.

It is an arithmetic number, because the mean of its divisors is an integer number (10714561800).

Almost surely, 2^212130130311 is an apocalyptic number.

212130130311 is a deficient number, since it is larger than the sum of its proper divisors (130735847289).

212130130311 is a wasteful number, since it uses less digits than its factorization.

212130130311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61276 (or 61270 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 212130130311 its reverse (113031031212), we get a palindrome (325161161523).

Subtracting from 212130130311 its reverse (113031031212), we obtain a palindrome (99099099099).

The spelling of 212130130311 in words is "two hundred twelve billion, one hundred thirty million, one hundred thirty thousand, three hundred eleven".