2102124012 has 24 divisors (see below), whose sum is σ = 5063181312. Its totient is φ = 678104400.

The previous prime is 2102124007. The next prime is 2102124061. The reversal of 2102124012 is 2104212012.

It is a super-2 number, since 2×2102124012² = 8837850723653952288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2102123982 and 2102124000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2825064 + ... + 2825807.

It is an arithmetic number, because the mean of its divisors is an integer number (210965888).

Almost surely, 2^2102124012 is an apocalyptic number.

It is an amenable number.

2102124012 is an abundant number, since it is smaller than the sum of its proper divisors (2961057300).

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

2102124012 is a wasteful number, since it uses less digits than its factorization.

2102124012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5650909 (or 5650907 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2102124012 is about 45848.9259634291. The cubic root of 2102124012 is about 1281.0107600678.

Adding to 2102124012 its reverse (2104212012), we get a palindrome (4206336024).

The spelling of 2102124012 in words is "two billion, one hundred two million, one hundred twenty-four thousand, twelve".