102212995 has 4 divisors (see below), whose sum is σ = 122655600. Its totient is φ = 81770392.

The previous prime is 102212987. The next prime is 102213011. The reversal of 102212995 is 599212201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102212995 - 2³ = 102212987 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10221295 + ... + 10221304.

It is an arithmetic number, because the mean of its divisors is an integer number (30663900).

Almost surely, 2^102212995 is an apocalyptic number.

102212995 is a deficient number, since it is larger than the sum of its proper divisors (20442605).

102212995 is an equidigital number, since it uses as much as digits as its factorization.

102212995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20442604.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 102212995 is about 10110.0442630089. The cubic root of 102212995 is about 467.5578698130.

The spelling of 102212995 in words is "one hundred two million, two hundred twelve thousand, nine hundred ninety-five".