212001123134 has 8 divisors (see below), whose sum is σ = 336707666208. Its totient is φ = 99765234400.

The previous prime is 212001123127. The next prime is 212001123137. The reversal of 212001123134 is 431321100212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212001123137) 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, 3117663542 + ... + 3117663609.

It is an arithmetic number, because the mean of its divisors is an integer number (42088458276).

Almost surely, 2^212001123134 is an apocalyptic number.

212001123134 is a deficient number, since it is larger than the sum of its proper divisors (124706543074).

212001123134 is a wasteful number, since it uses less digits than its factorization.

212001123134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6235327170.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 212001123134 its reverse (431321100212), we get a palindrome (643322223346).

The spelling of 212001123134 in words is "two hundred twelve billion, one million, one hundred twenty-three thousand, one hundred thirty-four".