124105342312 has 24 divisors (see below), whose sum is σ = 270688949010. Its totient is φ = 53188003680.

The previous prime is 124105342297. The next prime is 124105342331. The reversal of 124105342312 is 213243501421.

It can be written as a sum of positive squares in only one way, i.e., 108896040036 + 15209302276 = 329994^2 + 123326^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 158297239 + ... + 158298022.

Almost surely, 2^124105342312 is an apocalyptic number.

It is an amenable number.

124105342312 is an abundant number, since it is smaller than the sum of its proper divisors (146583606698).

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

124105342312 is a wasteful number, since it uses less digits than its factorization.

124105342312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316595281 (or 316595270 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 124105342312 its reverse (213243501421), we get a palindrome (337348843733).

The spelling of 124105342312 in words is "one hundred twenty-four billion, one hundred five million, three hundred forty-two thousand, three hundred twelve".