2012731630 has 32 divisors (see below), whose sum is σ = 4458976704. Its totient is φ = 636996096.

The previous prime is 2012731627. The next prime is 2012731649. The reversal of 2012731630 is 361372102.

It is a super-2 number, since 2×2012731630² = 8102177228804913800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2012731595 and 2012731604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1104987 + ... + 1106806.

It is an arithmetic number, because the mean of its divisors is an integer number (139343022).

Almost surely, 2^2012731630 is an apocalyptic number.

2012731630 is an abundant number, since it is smaller than the sum of its proper divisors (2446245074).

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

2012731630 is a wasteful number, since it uses less digits than its factorization.

2012731630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211820.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 2012731630 is about 44863.4776850837. The cubic root of 2012731630 is about 1262.5888716970.

The spelling of 2012731630 in words is "two billion, twelve million, seven hundred thirty-one thousand, six hundred thirty".