102212465 has 8 divisors (see below), whose sum is σ = 123278760. Its totient is φ = 81354112.

The previous prime is 102212423. The next prime is 102212479. The reversal of 102212465 is 564212201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 64770304 + 37442161 = 8048^2 + 6119^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102212465 - 2¹⁰ = 102211441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102212465.

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, 50900 + ... + 52869.

It is an arithmetic number, because the mean of its divisors is an integer number (15409845).

Almost surely, 2^102212465 is an apocalyptic number.

It is an amenable number.

102212465 is a deficient number, since it is larger than the sum of its proper divisors (21066295).

102212465 is a wasteful number, since it uses less digits than its factorization.

102212465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103971.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 102212465 is about 10110.0180514181. The cubic root of 102212465 is about 467.5570616767.

Adding to 102212465 its reverse (564212201), we get a palindrome (666424666).

The spelling of 102212465 in words is "one hundred two million, two hundred twelve thousand, four hundred sixty-five".