102200312 has 16 divisors (see below), whose sum is σ = 191748840. Its totient is φ = 51067296.

The previous prime is 102200309. The next prime is 102200341. The reversal of 102200312 is 213002201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102200293 and 102200302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13598 + ... + 19730.

Almost surely, 2^102200312 is an apocalyptic number.

It is an amenable number.

102200312 is a deficient number, since it is larger than the sum of its proper divisors (89548528).

102200312 is a wasteful number, since it uses less digits than its factorization.

102200312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8222 (or 8218 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 102200312 is about 10109.4169960488. The cubic root of 102200312 is about 467.5385301920.

Adding to 102200312 its reverse (213002201), we get a palindrome (315202513).

The spelling of 102200312 in words is "one hundred two million, two hundred thousand, three hundred twelve".