12111200964 has 18 divisors (see below), whose sum is σ = 30614424750. Its totient is φ = 4037066976.

The previous prime is 12111200963. The next prime is 12111201043. The reversal of 12111200964 is 46900211121.

It can be written as a sum of positive squares in only one way, i.e., 6658560000 + 5452640964 = 81600^2 + 73842^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (12111200963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 168211089 + ... + 168211160.

It is an arithmetic number, because the mean of its divisors is an integer number (1700801375).

Almost surely, 2^12111200964 is an apocalyptic number.

It is an amenable number.

12111200964 is an abundant number, since it is smaller than the sum of its proper divisors (18503223786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12111200964 is a wasteful number, since it uses less digits than its factorization.

12111200964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336422259 (or 336422254 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The spelling of 12111200964 in words is "twelve billion, one hundred eleven million, two hundred thousand, nine hundred sixty-four".