2102120312232 has 32 divisors (see below), whose sum is σ = 5255634405600. Its totient is φ = 700662287424.

The previous prime is 2102120312209. The next prime is 2102120312273. The reversal of 2102120312232 is 2322130212012.

It is a super-2 number, since 2×2102120312232² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2102120312199 and 2102120312208.

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 7 ways as a sum of consecutive naturals, for example, 2393182 + ... + 3151437.

It is an arithmetic number, because the mean of its divisors is an integer number (164238575175).

Almost surely, 2^{2102120312232} is an apocalyptic number.

It is an amenable number.

2102120312232 is an abundant number, since it is smaller than the sum of its proper divisors (3153514093368).

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

2102120312232 is a wasteful number, since it uses less digits than its factorization.

2102120312232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5560425 (or 5560421 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2102120312232 its reverse (2322130212012), we get a palindrome (4424250524244).

The spelling of 2102120312232 in words is "two trillion, one hundred two billion, one hundred twenty million, three hundred twelve thousand, two hundred thirty-two".