124205134412 has 12 divisors (see below), whose sum is σ = 219801221640. Its totient is φ = 61404785376.

The previous prime is 124205134411. The next prime is 124205134421. The reversal of 124205134412 is 214431502421.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (124205134411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174445058 + ... + 174445769.

It is an arithmetic number, because the mean of its divisors is an integer number (18316768470).

Almost surely, 2^124205134412 is an apocalyptic number.

It is an amenable number.

124205134412 is a deficient number, since it is larger than the sum of its proper divisors (95596087228).

124205134412 is a wasteful number, since it uses less digits than its factorization.

124205134412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348890920 (or 348890918 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 124205134412 its reverse (214431502421), we get a palindrome (338636636833).

The spelling of 124205134412 in words is "one hundred twenty-four billion, two hundred five million, one hundred thirty-four thousand, four hundred twelve".