1212484560 has 160 divisors (see below), whose sum is σ = 4482570240. Its totient is φ = 265081344.

The previous prime is 1212484531. The next prime is 1212484573. The reversal of 1212484560 is 654842121.

It is a happy number.

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, 22951 + ... + 54329.

It is an arithmetic number, because the mean of its divisors is an integer number (28016064).

Almost surely, 2^1212484560 is an apocalyptic number.

1212484560 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 1212484560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2241285120).

1212484560 is an abundant number, since it is smaller than the sum of its proper divisors (3270085680).

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

1212484560 is a wasteful number, since it uses less digits than its factorization.

1212484560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31425 (or 31419 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 1212484560 is about 34820.7489867751. The cubic root of 1212484560 is about 1066.3310914871.

The spelling of 1212484560 in words is "one billion, two hundred twelve million, four hundred eighty-four thousand, five hundred sixty".