12087209036 has 24 divisors (see below), whose sum is σ = 24182022816. Its totient is φ = 5178602880.

The previous prime is 12087209009. The next prime is 12087209041. The reversal of 12087209036 is 63090278021.

It is a super-2 number, since 2×12087209036² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24926 + ... + 157466.

It is an arithmetic number, because the mean of its divisors is an integer number (1007584284).

Almost surely, 2^12087209036 is an apocalyptic number.

It is an amenable number.

12087209036 is an abundant number, since it is smaller than the sum of its proper divisors (12094813780).

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

12087209036 is a wasteful number, since it uses less digits than its factorization.

12087209036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135809 (or 135807 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 12087209036 in words is "twelve billion, eighty-seven million, two hundred nine thousand, thirty-six".