212134233311 has 32 divisors (see below), whose sum is σ = 284862724608. Its totient is φ = 152563098240.

The previous prime is 212134233301. The next prime is 212134233317. The reversal of 212134233311 is 113332431212.

It is a happy number.

It is not a de Polignac number, because 212134233311 - 2³⁰ = 211060491487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212134233317) 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, 14299880 + ... + 14314706.

It is an arithmetic number, because the mean of its divisors is an integer number (8901960144).

Almost surely, 2^212134233311 is an apocalyptic number.

212134233311 is a deficient number, since it is larger than the sum of its proper divisors (72728491297).

212134233311 is a wasteful number, since it uses less digits than its factorization.

212134233311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29151.

The product of its digits is 2592, while the sum is 26.

Adding to 212134233311 its reverse (113332431212), we get a palindrome (325466664523).

It can be divided in two parts, 21213 and 4233311, that added together give a palindrome (4254524).

The spelling of 212134233311 in words is "two hundred twelve billion, one hundred thirty-four million, two hundred thirty-three thousand, three hundred eleven".