1212613360 has 160 divisors (see below), whose sum is σ = 3471777792. Its totient is φ = 384721920.

The previous prime is 1212613357. The next prime is 1212613387. The reversal of 1212613360 is 633162121.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 397762 + ... + 400798.

Almost surely, 2^1212613360 is an apocalyptic number.

1212613360 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 1212613360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1735888896).

1212613360 is an abundant number, since it is smaller than the sum of its proper divisors (2259164432).

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

1212613360 is a wasteful number, since it uses less digits than its factorization.

1212613360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111 (or 3105 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1212613360 is about 34822.5984096535. The cubic root of 1212613360 is about 1066.3688482790.

Adding to 1212613360 its reverse (633162121), we get a palindrome (1845775481).

The spelling of 1212613360 in words is "one billion, two hundred twelve million, six hundred thirteen thousand, three hundred sixty".