213136127112 has 16 divisors (see below), whose sum is σ = 532840317840. Its totient is φ = 71045375696.

The previous prime is 213136127111. The next prime is 213136127161. The reversal of 213136127112 is 211721631312.

It is a self number, because there is not a number n which added to its sum of digits gives 213136127112.

It is not an unprimeable number, because it can be changed into a prime (213136127111) 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, 4440335958 + ... + 4440336005.

It is an arithmetic number, because the mean of its divisors is an integer number (33302519865).

Almost surely, 2^213136127112 is an apocalyptic number.

It is an amenable number.

213136127112 is an abundant number, since it is smaller than the sum of its proper divisors (319704190728).

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

213136127112 is a wasteful number, since it uses less digits than its factorization.

213136127112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8880671972 (or 8880671968 counting only the distinct ones).

The product of its digits is 3024, while the sum is 30.

Adding to 213136127112 its reverse (211721631312), we get a palindrome (424857758424).

The spelling of 213136127112 in words is "two hundred thirteen billion, one hundred thirty-six million, one hundred twenty-seven thousand, one hundred twelve".