134420123211 has 64 divisors (see below), whose sum is σ = 206636728320. Its totient is φ = 76983661440.

The previous prime is 134420123171. The next prime is 134420123221. The reversal of 134420123211 is 112321024431.

It is not a de Polignac number, because 134420123211 - 2⁶ = 134420123147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134420123221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9390886 + ... + 9405188.

It is an arithmetic number, because the mean of its divisors is an integer number (3228698880).

Almost surely, 2^134420123211 is an apocalyptic number.

134420123211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

134420123211 is a deficient number, since it is larger than the sum of its proper divisors (72216605109).

134420123211 is a wasteful number, since it uses less digits than its factorization.

134420123211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14576.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 134420123211 its reverse (112321024431), we get a palindrome (246741147642).

The spelling of 134420123211 in words is "one hundred thirty-four billion, four hundred twenty million, one hundred twenty-three thousand, two hundred eleven".