2012310100 has 36 divisors (see below), whose sum is σ = 4419342144. Its totient is φ = 795222880.

The previous prime is 2012310067. The next prime is 2012310101. The reversal of 2012310100 is 10132102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012310101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112924 + ... + 129523.

It is an arithmetic number, because the mean of its divisors is an integer number (122759504).

Almost surely, 2^2012310100 is an apocalyptic number.

2012310100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012310100 is an abundant number, since it is smaller than the sum of its proper divisors (2407032044).

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

2012310100 is a wasteful number, since it uses less digits than its factorization.

2012310100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242544 (or 242537 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 2012310100 is about 44858.7795197328. The cubic root of 2012310100 is about 1262.5007234581.

Adding to 2012310100 its reverse (10132102), we get a palindrome (2022442202).

The spelling of 2012310100 in words is "two billion, twelve million, three hundred ten thousand, one hundred".