1017212215 has 32 divisors (see below), whose sum is σ = 1317888000. Its totient is φ = 751379328.

The previous prime is 1017212179. The next prime is 1017212219. The reversal of 1017212215 is 5122127101.

It is a cyclic number.

It is not a de Polignac number, because 1017212215 - 2¹⁹ = 1016687927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1017212219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 711121 + ... + 712549.

It is an arithmetic number, because the mean of its divisors is an integer number (41184000).

Almost surely, 2^1017212215 is an apocalyptic number.

1017212215 is a deficient number, since it is larger than the sum of its proper divisors (300675785).

1017212215 is a wasteful number, since it uses less digits than its factorization.

1017212215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639.

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 1017212215 is about 31893.7645159677. The cubic root of 1017212215 is about 1005.7047983883.

Adding to 1017212215 its reverse (5122127101), we get a palindrome (6139339316).

The spelling of 1017212215 in words is "one billion, seventeen million, two hundred twelve thousand, two hundred fifteen".