136620603212 has 12 divisors (see below), whose sum is σ = 241966611096. Its totient is φ = 67487285760.

The previous prime is 136620603209. The next prime is 136620603263. The reversal of 136620603212 is 212306026631.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205753589 + ... + 205754252.

It is an arithmetic number, because the mean of its divisors is an integer number (20163884258).

Almost surely, 2^136620603212 is an apocalyptic number.

It is an amenable number.

136620603212 is a deficient number, since it is larger than the sum of its proper divisors (105346007884).

136620603212 is a wasteful number, since it uses less digits than its factorization.

136620603212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411507928 (or 411507926 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

Adding to 136620603212 its reverse (212306026631), we get a palindrome (348926629843).

The spelling of 136620603212 in words is "one hundred thirty-six billion, six hundred twenty million, six hundred three thousand, two hundred twelve".