12735435572 has 12 divisors (see below), whose sum is σ = 22600914336. Its totient is φ = 6278031480.

The previous prime is 12735435563. The next prime is 12735435673. The reversal of 12735435572 is 27553453721.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 22421258 + ... + 22421825.

It is an arithmetic number, because the mean of its divisors is an integer number (1883409528).

Almost surely, 2^12735435572 is an apocalyptic number.

It is an amenable number.

12735435572 is a deficient number, since it is larger than the sum of its proper divisors (9865478764).

12735435572 is a wasteful number, since it uses less digits than its factorization.

12735435572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44843158 (or 44843156 counting only the distinct ones).

The product of its digits is 882000, while the sum is 44.

The spelling of 12735435572 in words is "twelve billion, seven hundred thirty-five million, four hundred thirty-five thousand, five hundred seventy-two".