1212604288 has 64 divisors (see below), whose sum is σ = 2923279200. Its totient is φ = 489111552.

The previous prime is 1212604279. The next prime is 1212604297. The reversal of 1212604288 is 8824062121.

It is an interprime number because it is at equal distance from previous prime (1212604279) and next prime (1212604297).

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (34).

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 in 7 ways as a sum of consecutive naturals, for example, 24573 + ... + 55036.

Almost surely, 2^1212604288 is an apocalyptic number.

It is an amenable number.

1212604288 is an abundant number, since it is smaller than the sum of its proper divisors (1710674912).

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

1212604288 is an equidigital number, since it uses as much as digits as its factorization.

1212604288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79647 (or 79635 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 1212604288 is about 34822.4681491706. The cubic root of 1212604288 is about 1066.3661889751.

The spelling of 1212604288 in words is "one billion, two hundred twelve million, six hundred four thousand, two hundred eighty-eight".