2012321118 has 16 divisors (see below), whose sum is σ = 4034993040. Its totient is φ = 669048576.

The previous prime is 2012321117. The next prime is 2012321147. The reversal of 2012321118 is 8111232102.

It is a junction number, because it is equal to n+sod(n) for n = 2012321094 and 2012321103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012321111) 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, 428755 + ... + 433422.

It is an arithmetic number, because the mean of its divisors is an integer number (252187065).

Almost surely, 2^2012321118 is an apocalyptic number.

2012321118 is an abundant number, since it is smaller than the sum of its proper divisors (2022671922).

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

2012321118 is a wasteful number, since it uses less digits than its factorization.

2012321118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862571.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 2012321118 is about 44858.9023271858. The cubic root of 2012321118 is about 1262.5030276436.

The spelling of 2012321118 in words is "two billion, twelve million, three hundred twenty-one thousand, one hundred eighteen".