124121253412 has 48 divisors (see below), whose sum is σ = 246407797440. Its totient is φ = 54232993152.

The previous prime is 124121253391. The next prime is 124121253413. The reversal of 124121253412 is 214352121421.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (124121253413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1365858 + ... + 1453894.

It is an arithmetic number, because the mean of its divisors is an integer number (5133495780).

Almost surely, 2^124121253412 is an apocalyptic number.

It is an amenable number.

124121253412 is a deficient number, since it is larger than the sum of its proper divisors (122286544028).

124121253412 is a wasteful number, since it uses less digits than its factorization.

124121253412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89500 (or 89498 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

Adding to 124121253412 its reverse (214352121421), we get a palindrome (338473374833).

The spelling of 124121253412 in words is "one hundred twenty-four billion, one hundred twenty-one million, two hundred fifty-three thousand, four hundred twelve".