11312123201 has 8 divisors (see below), whose sum is σ = 11380733280. Its totient is φ = 11243573632.

The previous prime is 11312123191. The next prime is 11312123239. The reversal of 11312123201 is 10232121311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11312123201 - 2²⁶ = 11245014337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11312123201.

It is not an unprimeable number, because it can be changed into a prime (11312123401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392966 + ... + 420768.

It is an arithmetic number, because the mean of its divisors is an integer number (1422591660).

Almost surely, 2^11312123201 is an apocalyptic number.

It is an amenable number.

11312123201 is a deficient number, since it is larger than the sum of its proper divisors (68610079).

11312123201 is a wasteful number, since it uses less digits than its factorization.

11312123201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30255.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11312123201 its reverse (10232121311), we get a palindrome (21544244512).

The spelling of 11312123201 in words is "eleven billion, three hundred twelve million, one hundred twenty-three thousand, two hundred one".