12049508730 has 256 divisors, whose sum is σ = 36523376640. Its totient is φ = 2482099200.

The previous prime is 12049508687. The next prime is 12049508759. The reversal of 12049508730 is 3780594021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7544292 + ... + 7545888.

It is an arithmetic number, because the mean of its divisors is an integer number (142669440).

Almost surely, 2^12049508730 is an apocalyptic number.

12049508730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12049508730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18261688320).

12049508730 is an abundant number, since it is smaller than the sum of its proper divisors (24473867910).

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

12049508730 is a wasteful number, since it uses less digits than its factorization.

12049508730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 12049508730 in words is "twelve billion, forty-nine million, five hundred eight thousand, seven hundred thirty".