134212111 has 12 divisors (see below), whose sum is σ = 148043896. Its totient is φ = 121579920.

The previous prime is 134212109. The next prime is 134212151. The reversal of 134212111 is 111212431.

It is not a de Polignac number, because 134212111 - 2¹ = 134212109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134212151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35341 + ... + 38953.

Almost surely, 2^134212111 is an apocalyptic number.

134212111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

134212111 is a deficient number, since it is larger than the sum of its proper divisors (13831785).

134212111 is a wasteful number, since it uses less digits than its factorization.

134212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942 (or 3931 counting only the distinct ones).

The product of its digits is 48, while the sum is 16.

The square root of 134212111 is about 11584.9950798436. The cubic root of 134212111 is about 511.9928575155.

Adding to 134212111 its reverse (111212431), we get a palindrome (245424542).

It can be divided in two parts, 13 and 4212111, that added together give a palindrome (4212124).

The spelling of 134212111 in words is "one hundred thirty-four million, two hundred twelve thousand, one hundred eleven".