100642712 has 8 divisors (see below), whose sum is σ = 188705100. Its totient is φ = 50321352.

The previous prime is 100642699. The next prime is 100642721. The reversal of 100642712 is 217246001.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 6290162 + ... + 6290177.

Almost surely, 2^100642712 is an apocalyptic number.

It is an amenable number.

100642712 is a deficient number, since it is larger than the sum of its proper divisors (88062388).

100642712 is a wasteful number, since it uses less digits than its factorization.

100642712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12580345 (or 12580341 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 100642712 is about 10032.0841304287. The cubic root of 100642712 is about 465.1511621703.

Adding to 100642712 its reverse (217246001), we get a palindrome (317888713).

The spelling of 100642712 in words is "one hundred million, six hundred forty-two thousand, seven hundred twelve".