1212771068 has 12 divisors (see below), whose sum is σ = 2195534040. Its totient is φ = 585475632.

The previous prime is 1212771067. The next prime is 1212771173. The reversal of 1212771068 is 8601772121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212771067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5227346 + ... + 5227577.

It is an arithmetic number, because the mean of its divisors is an integer number (182961170).

Almost surely, 2^1212771068 is an apocalyptic number.

It is an amenable number.

1212771068 is a deficient number, since it is larger than the sum of its proper divisors (982762972).

1212771068 is a wasteful number, since it uses less digits than its factorization.

1212771068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10454956 (or 10454954 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 35.

The square root of 1212771068 is about 34824.8627850850. The cubic root of 1212771068 is about 1066.4150756020.

The spelling of 1212771068 in words is "one billion, two hundred twelve million, seven hundred seventy-one thousand, sixty-eight".