102124012 has 36 divisors (see below), whose sum is σ = 190103760. Its totient is φ = 47994912.

The previous prime is 102123977. The next prime is 102124037. The reversal of 102124012 is 210421201.

It is a happy number.

It is a super-2 number, since 2×102124012² = 20858627653952288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102123983 and 102124001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 284289 + ... + 284647.

It is an arithmetic number, because the mean of its divisors is an integer number (5280660).

Almost surely, 2^102124012 is an apocalyptic number.

It is an amenable number.

102124012 is a deficient number, since it is larger than the sum of its proper divisors (87979748).

102124012 is a wasteful number, since it uses less digits than its factorization.

102124012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598 (or 577 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 102124012 is about 10105.6425822409. The cubic root of 102124012 is about 467.4221506677.

Adding to 102124012 its reverse (210421201), we get a palindrome (312545213).

The spelling of 102124012 in words is "one hundred two million, one hundred twenty-four thousand, twelve".