123412132401 has 32 divisors (see below), whose sum is σ = 173492305920. Its totient is φ = 77878680000.

The previous prime is 123412132387. The next prime is 123412132411. The reversal of 123412132401 is 104231214321.

It is not a de Polignac number, because 123412132401 - 2⁹ = 123412131889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123412132411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20060676 + ... + 20066826.

It is an arithmetic number, because the mean of its divisors is an integer number (5421634560).

Almost surely, 2^123412132401 is an apocalyptic number.

It is an amenable number.

123412132401 is a deficient number, since it is larger than the sum of its proper divisors (50080173519).

123412132401 is a wasteful number, since it uses less digits than its factorization.

123412132401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9157.

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

Adding to 123412132401 its reverse (104231214321), we get a palindrome (227643346722).

The spelling of 123412132401 in words is "one hundred twenty-three billion, four hundred twelve million, one hundred thirty-two thousand, four hundred one".