124221122422442 has 32 divisors (see below), whose sum is σ = 187238148823440. Its totient is φ = 61808720762880.

The previous prime is 124221122422391. The next prime is 124221122422469. The reversal of 124221122422442 is 244224221122421.

It can be written as a sum of positive squares in 8 ways, for example, as 66085209576961 + 58135912845481 = 8129281^2 + 7624691^2 .

It is a super-5 number, since 5×124221122422442⁵ (a number of 72 digits) contains 55555 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, 12249390692 + ... + 12249400832.

Almost surely, 2^{124221122422442} is an apocalyptic number.

124221122422442 is a deficient number, since it is larger than the sum of its proper divisors (63017026400998).

124221122422442 is a wasteful number, since it uses less digits than its factorization.

124221122422442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22778.

The product of its digits is 65536, while the sum is 35.

Adding to 124221122422442 its reverse (244224221122421), we get a palindrome (368445343544863).

The spelling of 124221122422442 in words is "one hundred twenty-four trillion, two hundred twenty-one billion, one hundred twenty-two million, four hundred twenty-two thousand, four hundred forty-two".