1212116768 has 24 divisors (see below), whose sum is σ = 2426805360. Its totient is φ = 595785280.

The previous prime is 1212116749. The next prime is 1212116783. The reversal of 1212116768 is 8676112121.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319118 + ... + 322893.

It is an arithmetic number, because the mean of its divisors is an integer number (101116890).

Almost surely, 2^1212116768 is an apocalyptic number.

It is an amenable number.

1212116768 is an abundant number, since it is smaller than the sum of its proper divisors (1214688592).

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

1212116768 is an equidigital number, since it uses as much as digits as its factorization.

1212116768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642080 (or 642072 counting only the distinct ones).

The product of its digits is 8064, while the sum is 35.

The square root of 1212116768 is about 34815.4673672493. The cubic root of 1212116768 is about 1066.2232611913.

Adding to 1212116768 its reverse (8676112121), we get a palindrome (9888228889).

The spelling of 1212116768 in words is "one billion, two hundred twelve million, one hundred sixteen thousand, seven hundred sixty-eight".