1210213165 has 8 divisors (see below), whose sum is σ = 1659720960. Its totient is φ = 829860432.

The previous prime is 1210213159. The next prime is 1210213171. The reversal of 1210213165 is 5613120121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1210213159) and next prime (1210213171).

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 1210213165 - 2¹³ = 1210204973 is a prime.

It is a congruent number.

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, 17288725 + ... + 17288794.

It is an arithmetic number, because the mean of its divisors is an integer number (207465120).

Almost surely, 2^1210213165 is an apocalyptic number.

It is an amenable number.

1210213165 is a deficient number, since it is larger than the sum of its proper divisors (449507795).

1210213165 is an equidigital number, since it uses as much as digits as its factorization.

1210213165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34577531.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1210213165 is about 34788.1181583598. The cubic root of 1210213165 is about 1065.6648086022.

Adding to 1210213165 its reverse (5613120121), we get a palindrome (6823333286).

The spelling of 1210213165 in words is "one billion, two hundred ten million, two hundred thirteen thousand, one hundred sixty-five".