1212675316 has 6 divisors (see below), whose sum is σ = 2122181810. Its totient is φ = 606337656.

The previous prime is 1212675313. The next prime is 1212675349. The reversal of 1212675316 is 6135762121.

It can be written as a sum of positive squares in only one way, i.e., 1036582416 + 176092900 = 32196^2 + 13270^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212675311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151584411 + ... + 151584418.

Almost surely, 2^1212675316 is an apocalyptic number.

It is an amenable number.

1212675316 is a deficient number, since it is larger than the sum of its proper divisors (909506494).

1212675316 is a wasteful number, since it uses less digits than its factorization.

1212675316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303168833 (or 303168831 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 1212675316 is about 34823.4879930199. The cubic root of 1212675316 is about 1066.3870092817.

The spelling of 1212675316 in words is "one billion, two hundred twelve million, six hundred seventy-five thousand, three hundred sixteen".