124212245042 has 6 divisors (see below), whose sum is σ = 186319115199. Its totient is φ = 62105873310.

The previous prime is 124212245041. The next prime is 124212245071. The reversal of 124212245042 is 240542212421.

It can be written as a sum of positive squares in only one way, i.e., 62106122521 + 62106122521 = 249211^2 + 249211^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=249211.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124212244996 and 124212245014.

It is not an unprimeable number, because it can be changed into a prime (124212245041) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 373817 + ... + 623027.

Almost surely, 2^124212245042 is an apocalyptic number.

124212245042 is a deficient number, since it is larger than the sum of its proper divisors (62106870157).

124212245042 is an frugal number, since it uses more digits than its factorization.

124212245042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498424 (or 249213 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 124212245042 its reverse (240542212421), we get a palindrome (364754457463).

The spelling of 124212245042 in words is "one hundred twenty-four billion, two hundred twelve million, two hundred forty-five thousand, forty-two".