102442434412 has 12 divisors (see below), whose sum is σ = 179279085160. Its totient is φ = 51219838656.

The previous prime is 102442434371. The next prime is 102442434449. The reversal of 102442434412 is 214434244201.

It is a happy number.

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, 167298 + ... + 482569.

Almost surely, 2^102442434412 is an apocalyptic number.

It is an amenable number.

102442434412 is a deficient number, since it is larger than the sum of its proper divisors (76836650748).

102442434412 is a wasteful number, since it uses less digits than its factorization.

102442434412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689280 (or 689278 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 102442434412 its reverse (214434244201), we get a palindrome (316876678613).

The spelling of 102442434412 in words is "one hundred two billion, four hundred forty-two million, four hundred thirty-four thousand, four hundred twelve".