12401233134 has 32 divisors (see below), whose sum is σ = 26394784416. Its totient is φ = 3870827520.

The previous prime is 12401233133. The next prime is 12401233147. The reversal of 12401233134 is 43133210421.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12401233133) 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, 288487 + ... + 328674.

It is an arithmetic number, because the mean of its divisors is an integer number (824837013).

Almost surely, 2^12401233134 is an apocalyptic number.

12401233134 is an abundant number, since it is smaller than the sum of its proper divisors (13993551282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12401233134 is a wasteful number, since it uses less digits than its factorization.

12401233134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617380.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12401233134 its reverse (43133210421), we get a palindrome (55534443555).

The spelling of 12401233134 in words is "twelve billion, four hundred one million, two hundred thirty-three thousand, one hundred thirty-four".