100992212 has 6 divisors (see below), whose sum is σ = 176736378. Its totient is φ = 50496104.

The previous prime is 100992209. The next prime is 100992233. The reversal of 100992212 is 212299001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 74407876 + 26584336 = 8626^2 + 5156^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12624023 + ... + 12624030.

It is an arithmetic number, because the mean of its divisors is an integer number (29456063).

Almost surely, 2^100992212 is an apocalyptic number.

It is an amenable number.

100992212 is a deficient number, since it is larger than the sum of its proper divisors (75744166).

100992212 is a wasteful number, since it uses less digits than its factorization.

100992212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25248057 (or 25248055 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 100992212 is about 10049.4881461694. The cubic root of 100992212 is about 465.6889805750.

The spelling of 100992212 in words is "one hundred million, nine hundred ninety-two thousand, two hundred twelve".