12100528211 has 4 divisors (see below), whose sum is σ = 12427569552. Its totient is φ = 11773486872.

The previous prime is 12100528201. The next prime is 12100528217. The reversal of 12100528211 is 11282500121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12100528211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12100528217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163520615 + ... + 163520688.

It is an arithmetic number, because the mean of its divisors is an integer number (3106892388).

Almost surely, 2^12100528211 is an apocalyptic number.

12100528211 is a deficient number, since it is larger than the sum of its proper divisors (327041341).

12100528211 is an equidigital number, since it uses as much as digits as its factorization.

12100528211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327041340.

The product of its (nonzero) digits is 320, while the sum is 23.

The spelling of 12100528211 in words is "twelve billion, one hundred million, five hundred twenty-eight thousand, two hundred eleven".