1212366464 has 32 divisors (see below), whose sum is σ = 2449297440. Its totient is φ = 597640960.

The previous prime is 1212366451. The next prime is 1212366473. The reversal of 1212366464 is 4646632121.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57614 + ... + 75789.

It is an arithmetic number, because the mean of its divisors is an integer number (76540545).

Almost surely, 2^1212366464 is an apocalyptic number.

It is an amenable number.

1212366464 is an abundant number, since it is smaller than the sum of its proper divisors (1236930976).

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

1212366464 is an equidigital number, since it uses as much as digits as its factorization.

1212366464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133488 (or 133476 counting only the distinct ones).

The product of its digits is 41472, while the sum is 35.

The square root of 1212366464 is about 34819.0531749501. The cubic root of 1212366464 is about 1066.2964701459.

Adding to 1212366464 its reverse (4646632121), we get a palindrome (5858998585).

It can be divided in two parts, 12123 and 66464, that added together give a palindrome (78587).

The spelling of 1212366464 in words is "one billion, two hundred twelve million, three hundred sixty-six thousand, four hundred sixty-four".