124215301221042 has 32 divisors (see below), whose sum is σ = 249180548728320. Its totient is φ = 41280184149120.

The previous prime is 124215301220993. The next prime is 124215301221059. The reversal of 124215301221042 is 240122103512421.

It is a super-2 number, since 2×124215301221042² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2702434 + ... + 15991677.

It is an arithmetic number, because the mean of its divisors is an integer number (7786892147760).

Almost surely, 2^{124215301221042} is an apocalyptic number.

124215301221042 is an abundant number, since it is smaller than the sum of its proper divisors (124965247507278).

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

124215301221042 is a wasteful number, since it uses less digits than its factorization.

124215301221042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18697458.

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 124215301221042 its reverse (240122103512421), we get a palindrome (364337404733463).

The spelling of 124215301221042 in words is "one hundred twenty-four trillion, two hundred fifteen billion, three hundred one million, two hundred twenty-one thousand, forty-two".