123140541425412 has 144 divisors (see below), whose sum is σ = 345184984166400. Its totient is φ = 34031844302400.

The previous prime is 123140541425387. The next prime is 123140541425453. The reversal of 123140541425412 is 214524145041321.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36651337 + ... + 39869807.

It is an arithmetic number, because the mean of its divisors is an integer number (2397117945600).

Almost surely, 2^{123140541425412} is an apocalyptic number.

123140541425412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123140541425412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172592492083200).

123140541425412 is an abundant number, since it is smaller than the sum of its proper divisors (222044442740988).

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

123140541425412 is a wasteful number, since it uses less digits than its factorization.

123140541425412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3220622 (or 3220613 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 39.

Adding to 123140541425412 its reverse (214524145041321), we get a palindrome (337664686466733).

The spelling of 123140541425412 in words is "one hundred twenty-three trillion, one hundred forty billion, five hundred forty-one million, four hundred twenty-five thousand, four hundred twelve".