102322012 has 48 divisors (see below), whose sum is σ = 198640512. Its totient is φ = 45826560.

The previous prime is 102321977. The next prime is 102322013. The reversal of 102322012 is 210223201.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 102321983 and 102322001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102322013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377437 + ... + 377707.

It is an arithmetic number, because the mean of its divisors is an integer number (4138344).

Almost surely, 2^102322012 is an apocalyptic number.

It is an amenable number.

102322012 is a deficient number, since it is larger than the sum of its proper divisors (96318500).

102322012 is a wasteful number, since it uses less digits than its factorization.

102322012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 102322012 is about 10115.4343455929. The cubic root of 102322012 is about 467.7240380040.

Adding to 102322012 its reverse (210223201), we get a palindrome (312545213).

The spelling of 102322012 in words is "one hundred two million, three hundred twenty-two thousand, twelve".