1212082560 has 192 divisors, whose sum is σ = 4507710480. Its totient is φ = 298340352.

The previous prime is 1212082481. The next prime is 1212082591. The reversal of 1212082560 is 652802121.

It is a happy number.

1212082560 is a `hidden beast` number, since 1 + 2 + 1 + 20 + 82 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

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 23 ways as a sum of consecutive naturals, for example, 66787 + ... + 82973.

Almost surely, 2^1212082560 is an apocalyptic number.

1212082560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1212082560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2253855240).

1212082560 is an abundant number, since it is smaller than the sum of its proper divisors (3295627920).

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

1212082560 is a wasteful number, since it uses less digits than its factorization.

1212082560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16225 (or 16210 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 1212082560 is about 34814.9760878849. The cubic root of 1212082560 is about 1066.2132308847.

Adding to 1212082560 its reverse (652802121), we get a palindrome (1864884681).

The spelling of 1212082560 in words is "one billion, two hundred twelve million, eighty-two thousand, five hundred sixty".