136212003243 has 16 divisors (see below), whose sum is σ = 213665888160. Its totient is φ = 85466354688.

The previous prime is 136212003223. The next prime is 136212003251. The reversal of 136212003243 is 342300212631.

136212003243 is a `hidden beast` number, since 1 + 3 + 621 + 2 + 0 + 0 + 32 + 4 + 3 = 666.

It is not a de Polignac number, because 136212003243 - 2²⁰ = 136210954667 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (136212003203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148378630 + ... + 148379547.

It is an arithmetic number, because the mean of its divisors is an integer number (13354118010).

Almost surely, 2^136212003243 is an apocalyptic number.

136212003243 is a deficient number, since it is larger than the sum of its proper divisors (77453884917).

136212003243 is a wasteful number, since it uses less digits than its factorization.

136212003243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296758203 (or 296758197 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 136212003243 its reverse (342300212631), we get a palindrome (478512215874).

The spelling of 136212003243 in words is "one hundred thirty-six billion, two hundred twelve million, three thousand, two hundred forty-three".