1212230650 has 12 divisors (see below), whose sum is σ = 2254749102. Its totient is φ = 484892240.

The previous prime is 1212230599. The next prime is 1212230651. The reversal of 1212230650 is 560322121.

1212230650 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 599123529 + 613107121 = 24477^2 + 24761^2 .

It is not an unprimeable number, because it can be changed into a prime (1212230651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12122257 + ... + 12122356.

Almost surely, 2^1212230650 is an apocalyptic number.

1212230650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212230650 is a deficient number, since it is larger than the sum of its proper divisors (1042518452).

1212230650 is a wasteful number, since it uses less digits than its factorization.

1212230650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24244625 (or 24244620 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1212230650 is about 34817.1028375424. The cubic root of 1212230650 is about 1066.2566517683.

Adding to 1212230650 its reverse (560322121), we get a palindrome (1772552771).

The spelling of 1212230650 in words is "one billion, two hundred twelve million, two hundred thirty thousand, six hundred fifty".