212112130011 has 4 divisors (see below), whose sum is σ = 282816173352. Its totient is φ = 141408086672.

The previous prime is 212112130007. The next prime is 212112130063. The reversal of 212112130011 is 110031211212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212112130011 - 2² = 212112130007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212112130411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35352021666 + ... + 35352021671.

It is an arithmetic number, because the mean of its divisors is an integer number (70704043338).

Almost surely, 2^212112130011 is an apocalyptic number.

212112130011 is a deficient number, since it is larger than the sum of its proper divisors (70704043341).

212112130011 is an equidigital number, since it uses as much as digits as its factorization.

212112130011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70704043340.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 212112130011 its reverse (110031211212), we get a palindrome (322143341223).

The spelling of 212112130011 in words is "two hundred twelve billion, one hundred twelve million, one hundred thirty thousand, eleven".