212134133211 has 64 divisors (see below), whose sum is σ = 382184334336. Its totient is φ = 101074521600.

The previous prime is 212134133171. The next prime is 212134133213. The reversal of 212134133211 is 112331431212.

It is not a de Polignac number, because 212134133211 - 2⁷ = 212134133083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212134133213) 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 63 ways as a sum of consecutive naturals, for example, 246501 + ... + 696441.

It is an arithmetic number, because the mean of its divisors is an integer number (5971630224).

Almost surely, 2^212134133211 is an apocalyptic number.

212134133211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

212134133211 is a deficient number, since it is larger than the sum of its proper divisors (170050201125).

212134133211 is a wasteful number, since it uses less digits than its factorization.

212134133211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450132.

The product of its digits is 864, while the sum is 24.

Adding to 212134133211 its reverse (112331431212), we get a palindrome (324465564423).

The spelling of 212134133211 in words is "two hundred twelve billion, one hundred thirty-four million, one hundred thirty-three thousand, two hundred eleven".