1212650316 has 36 divisors (see below), whose sum is σ = 3104119200. Its totient is φ = 399099168.

The previous prime is 1212650303. The next prime is 1212650371. The reversal of 1212650316 is 6130562121.

1212650316 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 650 + 3 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1212650316.

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, 210351 + ... + 216038.

Almost surely, 2^1212650316 is an apocalyptic number.

It is an amenable number.

1212650316 is an abundant number, since it is smaller than the sum of its proper divisors (1891468884).

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

1212650316 is a wasteful number, since it uses less digits than its factorization.

1212650316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426478 (or 426473 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1212650316 is about 34823.1290380402. The cubic root of 1212650316 is about 1066.3796811705.

The spelling of 1212650316 in words is "one billion, two hundred twelve million, six hundred fifty thousand, three hundred sixteen".