136217855212 has 24 divisors (see below), whose sum is σ = 248787173376. Its totient is φ = 65136794448.

The previous prime is 136217855203. The next prime is 136217855227. The reversal of 136217855212 is 212558712631.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444643 + ... + 685669.

It is an arithmetic number, because the mean of its divisors is an integer number (10366132224).

Almost surely, 2^136217855212 is an apocalyptic number.

It is an amenable number.

136217855212 is a deficient number, since it is larger than the sum of its proper divisors (112569318164).

136217855212 is a wasteful number, since it uses less digits than its factorization.

136217855212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247197 (or 247195 counting only the distinct ones).

The product of its digits is 201600, while the sum is 43.

The spelling of 136217855212 in words is "one hundred thirty-six billion, two hundred seventeen million, eight hundred fifty-five thousand, two hundred twelve".