2102313012 has 12 divisors (see below), whose sum is σ = 4905397056. Its totient is φ = 700771000.

The previous prime is 2102313001. The next prime is 2102313061. The reversal of 2102313012 is 2103132012.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2102312982 and 2102313000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87596364 + ... + 87596387.

It is an arithmetic number, because the mean of its divisors is an integer number (408783088).

Almost surely, 2^2102313012 is an apocalyptic number.

It is an amenable number.

2102313012 is an abundant number, since it is smaller than the sum of its proper divisors (2803084044).

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

2102313012 is a wasteful number, since it uses less digits than its factorization.

2102313012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175192758 (or 175192756 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2102313012 is about 45850.9870340868. The cubic root of 2102313012 is about 1281.0491504096.

Adding to 2102313012 its reverse (2103132012), we get a palindrome (4205445024).

The spelling of 2102313012 in words is "two billion, one hundred two million, three hundred thirteen thousand, twelve".