102424213442 has 8 divisors (see below), whose sum is σ = 153666454332. Its totient is φ = 51202062000.

The previous prime is 102424213429. The next prime is 102424213453. The reversal of 102424213442 is 244312424201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 59034906841 + 43389306601 = 242971^2 + 208301^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5009609 + ... + 5030012.

Almost surely, 2^102424213442 is an apocalyptic number.

102424213442 is a deficient number, since it is larger than the sum of its proper divisors (51242240890).

102424213442 is a wasteful number, since it uses less digits than its factorization.

102424213442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10044724.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 102424213442 its reverse (244312424201), we get a palindrome (346736637643).

The spelling of 102424213442 in words is "one hundred two billion, four hundred twenty-four million, two hundred thirteen thousand, four hundred forty-two".