12735435500 has 48 divisors (see below), whose sum is σ = 28711458048. Its totient is φ = 4929840000.

The previous prime is 12735435481. The next prime is 12735435527. The reversal of 12735435500 is 553453721.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395321 + ... + 426320.

It is an arithmetic number, because the mean of its divisors is an integer number (598155376).

Almost surely, 2^12735435500 is an apocalyptic number.

12735435500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12735435500 is an abundant number, since it is smaller than the sum of its proper divisors (15976022548).

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

12735435500 is a wasteful number, since it uses less digits than its factorization.

12735435500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821691 (or 821679 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 35.

The spelling of 12735435500 in words is "twelve billion, seven hundred thirty-five million, four hundred thirty-five thousand, five hundred".