102442012 has 12 divisors (see below), whose sum is σ = 179783856. Its totient is φ = 51075200.

The previous prime is 102441979. The next prime is 102442013. The reversal of 102442012 is 210244201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102442013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34864 + ... + 37687.

It is an arithmetic number, because the mean of its divisors is an integer number (14981988).

Almost surely, 2^102442012 is an apocalyptic number.

It is an amenable number.

102442012 is a deficient number, since it is larger than the sum of its proper divisors (77341844).

102442012 is a wasteful number, since it uses less digits than its factorization.

102442012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72908 (or 72906 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 102442012 is about 10121.3641373088. The cubic root of 102442012 is about 467.9068105293.

Adding to 102442012 its reverse (210244201), we get a palindrome (312686213).

It can be divided in two parts, 10244201 and 2, that multiplied together give a palindrome (20488402).

The spelling of 102442012 in words is "one hundred two million, four hundred forty-two thousand, twelve".