134012603221 has 16 divisors (see below), whose sum is σ = 159023255040. Its totient is φ = 110497685760.

The previous prime is 134012603189. The next prime is 134012603227. The reversal of 134012603221 is 122306210431.

It is not a de Polignac number, because 134012603221 - 2⁵ = 134012603189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134012603227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1162996 + ... + 1273021.

It is an arithmetic number, because the mean of its divisors is an integer number (9938953440).

Almost surely, 2^134012603221 is an apocalyptic number.

It is an amenable number.

134012603221 is a deficient number, since it is larger than the sum of its proper divisors (25010651819).

134012603221 is a wasteful number, since it uses less digits than its factorization.

134012603221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2436324.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 134012603221 its reverse (122306210431), we get a palindrome (256318813652).

The spelling of 134012603221 in words is "one hundred thirty-four billion, twelve million, six hundred three thousand, two hundred twenty-one".