1212766064 has 10 divisors (see below), whose sum is σ = 2349734280. Its totient is φ = 606383024.

The previous prime is 1212766033. The next prime is 1212766073. The reversal of 1212766064 is 4606672121.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 37898924 + ... + 37898955.

It is an arithmetic number, because the mean of its divisors is an integer number (234973428).

Almost surely, 2^1212766064 is an apocalyptic number.

It is an amenable number.

1212766064 is a deficient number, since it is larger than the sum of its proper divisors (1136968216).

1212766064 is an equidigital number, since it uses as much as digits as its factorization.

1212766064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75797887 (or 75797881 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 1212766064 is about 34824.7909397889. The cubic root of 1212766064 is about 1066.4136088925.

The spelling of 1212766064 in words is "one billion, two hundred twelve million, seven hundred sixty-six thousand, sixty-four".