2123331012 has 36 divisors (see below), whose sum is σ = 5855247216. Its totient is φ = 643433520.

The previous prime is 2123330977. The next prime is 2123331029. The reversal of 2123331012 is 2101333212.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×2123331012³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2680578 + ... + 2681369.

It is an arithmetic number, because the mean of its divisors is an integer number (162645756).

Almost surely, 2^2123331012 is an apocalyptic number.

2123331012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2123331012 is an abundant number, since it is smaller than the sum of its proper divisors (3731916204).

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

2123331012 is a wasteful number, since it uses less digits than its factorization.

2123331012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5361968 (or 5361963 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2123331012 is about 46079.6160140251. The cubic root of 2123331012 is about 1285.3041237905.

Adding to 2123331012 its reverse (2101333212), we get a palindrome (4224664224).

The spelling of 2123331012 in words is "two billion, one hundred twenty-three million, three hundred thirty-one thousand, twelve".