100102312 has 32 divisors (see below), whose sum is σ = 190729800. Its totient is φ = 49248000.

The previous prime is 100102283. The next prime is 100102333. The reversal of 100102312 is 213201001.

It can be written as a sum of positive squares in 4 ways, for example, as 98922916 + 1179396 = 9946^2 + 1086^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184762 + ... + 185302.

Almost surely, 2^100102312 is an apocalyptic number.

It is an amenable number.

100102312 is a deficient number, since it is larger than the sum of its proper divisors (90627488).

100102312 is a wasteful number, since it uses less digits than its factorization.

100102312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877 (or 873 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 100102312 is about 10005.1142922008. The cubic root of 100102312 is about 464.3171261520.

Adding to 100102312 its reverse (213201001), we get a palindrome (313303313).

The spelling of 100102312 in words is "one hundred million, one hundred two thousand, three hundred twelve".