2102406312 has 32 divisors (see below), whose sum is σ = 5258224800. Its totient is φ = 700507584.

The previous prime is 2102406307. The next prime is 2102406331. The reversal of 2102406312 is 2136042012.

It is a super-2 number, since 2×2102406312² = 8840224601474882688, which contains 22 as substring.

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, 44239 + ... + 78497.

It is an arithmetic number, because the mean of its divisors is an integer number (164319525).

Almost surely, 2^2102406312 is an apocalyptic number.

It is an amenable number.

2102406312 is an abundant number, since it is smaller than the sum of its proper divisors (3155818488).

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

2102406312 is a wasteful number, since it uses less digits than its factorization.

2102406312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36825 (or 36821 counting only the distinct ones).

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

The square root of 2102406312 is about 45852.0044490969. The cubic root of 2102406312 is about 1281.0681009841.

Adding to 2102406312 its reverse (2136042012), we get a palindrome (4238448324).

The spelling of 2102406312 in words is "two billion, one hundred two million, four hundred six thousand, three hundred twelve".