212133121134 has 32 divisors (see below), whose sum is σ = 464506828416. Its totient is φ = 64050690720.

The previous prime is 212133121087. The next prime is 212133121183. The reversal of 212133121134 is 431121331212.

It is a super-2 number, since 2×212133121134² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5783412 + ... + 5819975.

It is an arithmetic number, because the mean of its divisors is an integer number (14515838388).

Almost surely, 2^212133121134 is an apocalyptic number.

212133121134 is an abundant number, since it is smaller than the sum of its proper divisors (252373707282).

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

212133121134 is a wasteful number, since it uses less digits than its factorization.

212133121134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11603680.

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

Adding to 212133121134 its reverse (431121331212), we get a palindrome (643254452346).

The spelling of 212133121134 in words is "two hundred twelve billion, one hundred thirty-three million, one hundred twenty-one thousand, one hundred thirty-four".