102404212828 has 24 divisors (see below), whose sum is σ = 191223450320. Its totient is φ = 47842773120.

The previous prime is 102404212789. The next prime is 102404212831. The reversal of 102404212828 is 828212404201.

It is a junction number, because it is equal to n+sod(n) for n = 102404212793 and 102404212802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9223383 + ... + 9234478.

Almost surely, 2^102404212828 is an apocalyptic number.

It is an amenable number.

102404212828 is a deficient number, since it is larger than the sum of its proper divisors (88819237492).

102404212828 is a wasteful number, since it uses less digits than its factorization.

102404212828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18457957 (or 18457955 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 34.

The spelling of 102404212828 in words is "one hundred two billion, four hundred four million, two hundred twelve thousand, eight hundred twenty-eight".