1212768089 has 8 divisors (see below), whose sum is σ = 1310881152. Its totient is φ = 1115344080.

The previous prime is 1212768079. The next prime is 1212768091. The reversal of 1212768089 is 9808672121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1212768089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212768059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168599 + ... + 175644.

It is an arithmetic number, because the mean of its divisors is an integer number (163860144).

Almost surely, 2^1212768089 is an apocalyptic number.

It is an amenable number.

1212768089 is a deficient number, since it is larger than the sum of its proper divisors (98113063).

1212768089 is a wasteful number, since it uses less digits than its factorization.

1212768089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344527.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 1212768089 is about 34824.8200138924. The cubic root of 1212768089 is about 1066.4142024355.

The spelling of 1212768089 in words is "one billion, two hundred twelve million, seven hundred sixty-eight thousand, eighty-nine".