12720514146 has 32 divisors (see below), whose sum is σ = 27806519808. Its totient is φ = 3862014720.

The previous prime is 12720514099. The next prime is 12720514171. The reversal of 12720514146 is 64141502721.

12720514146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12720514146² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2008305 + ... + 2014628.

It is an arithmetic number, because the mean of its divisors is an integer number (868953744).

Almost surely, 2^12720514146 is an apocalyptic number.

12720514146 is an abundant number, since it is smaller than the sum of its proper divisors (15086005662).

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

12720514146 is a wasteful number, since it uses less digits than its factorization.

12720514146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4022986.

The product of its (nonzero) digits is 13440, while the sum is 33.

The spelling of 12720514146 in words is "twelve billion, seven hundred twenty million, five hundred fourteen thousand, one hundred forty-six".