124400144421213 has 12 divisors (see below), whose sum is σ = 176197667070720. Its totient is φ = 78054992577472.

The previous prime is 124400144421191. The next prime is 124400144421229. The reversal of 124400144421213 is 312124441004421.

It is not a de Polignac number, because 124400144421213 - 2⁵ = 124400144421181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124400144421283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71741720253 + ... + 71741721986.

It is an arithmetic number, because the mean of its divisors is an integer number (14683138922560).

Almost surely, 2^{124400144421213} is an apocalyptic number.

It is an amenable number.

124400144421213 is a deficient number, since it is larger than the sum of its proper divisors (51797522649507).

124400144421213 is a wasteful number, since it uses less digits than its factorization.

124400144421213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143483442276 (or 143483442259 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

Adding to 124400144421213 its reverse (312124441004421), we get a palindrome (436524585425634).

The spelling of 124400144421213 in words is "one hundred twenty-four trillion, four hundred billion, one hundred forty-four million, four hundred twenty-one thousand, two hundred thirteen".