134123212 has 12 divisors (see below), whose sum is σ = 244920816. Its totient is φ = 64145840.

The previous prime is 134123207. The next prime is 134123219. The reversal of 134123212 is 212321431.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 134123212.

It is not an unprimeable number, because it can be changed into a prime (134123219) 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, 728839 + ... + 729022.

It is an arithmetic number, because the mean of its divisors is an integer number (20410068).

Almost surely, 2^134123212 is an apocalyptic number.

It is an amenable number.

134123212 is a deficient number, since it is larger than the sum of its proper divisors (110797604).

134123212 is a wasteful number, since it uses less digits than its factorization.

134123212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457888 (or 1457886 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 134123212 is about 11581.1576278022. The cubic root of 134123212 is about 511.8797884690.

Adding to 134123212 its reverse (212321431), we get a palindrome (346444643).

The spelling of 134123212 in words is "one hundred thirty-four million, one hundred twenty-three thousand, two hundred twelve".