1217210150 has 24 divisors (see below), whose sum is σ = 2438166864. Its totient is φ = 449431200.

The previous prime is 1217210147. The next prime is 1217210213. The reversal of 1217210150 is 510127121.

It is a happy number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 935666 + ... + 936965.

It is an arithmetic number, because the mean of its divisors is an integer number (101590286).

Almost surely, 2^1217210150 is an apocalyptic number.

1217210150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1217210150 is an abundant number, since it is smaller than the sum of its proper divisors (1220956714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1217210150 is a wasteful number, since it uses less digits than its factorization.

1217210150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872656 (or 1872651 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 20.

The square root of 1217210150 is about 34888.5389490589. The cubic root of 1217210150 is about 1067.7146173437.

Adding to 1217210150 its reverse (510127121), we get a palindrome (1727337271).

It can be divided in two parts, 12172 and 10150, that added together give a palindrome (22322).

The spelling of 1217210150 in words is "one billion, two hundred seventeen million, two hundred ten thousand, one hundred fifty".