124140030144212 has 12 divisors (see below), whose sum is σ = 224736261468180. Its totient is φ = 59929669724736.

The previous prime is 124140030144157. The next prime is 124140030144257. The reversal of 124140030144212 is 212441030041421.

It can be written as a sum of positive squares in 2 ways, for example, as 32207486426896 + 91932543717316 = 5675164^2 + 9588146^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535086336713 + ... + 535086336944.

It is an arithmetic number, because the mean of its divisors is an integer number (18728021789015).

Almost surely, 2^{124140030144212} is an apocalyptic number.

It is an amenable number.

124140030144212 is a deficient number, since it is larger than the sum of its proper divisors (100596231323968).

124140030144212 is a wasteful number, since it uses less digits than its factorization.

124140030144212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070172673690 (or 1070172673688 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 124140030144212 its reverse (212441030041421), we get a palindrome (336581060185633).

The spelling of 124140030144212 in words is "one hundred twenty-four trillion, one hundred forty billion, thirty million, one hundred forty-four thousand, two hundred twelve".