12728547045370 has 256 divisors, whose sum is σ = 25954191631872. Its totient is φ = 4463528509440.

The previous prime is 12728547045329. The next prime is 12728547045373. The reversal of 12728547045370 is 7354074582721.

It is not an unprimeable number, because it can be changed into a prime (12728547045373) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 25923720825 + ... + 25923721315.

It is an arithmetic number, because the mean of its divisors is an integer number (101383561062).

Almost surely, 2^{12728547045370} is an apocalyptic number.

12728547045370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12728547045370 is an abundant number, since it is smaller than the sum of its proper divisors (13225644586502).

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

12728547045370 is a wasteful number, since it uses less digits than its factorization.

12728547045370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185.

The product of its (nonzero) digits is 13171200, while the sum is 55.

The spelling of 12728547045370 in words is "twelve trillion, seven hundred twenty-eight billion, five hundred forty-seven million, forty-five thousand, three hundred seventy".