12012310100 has 36 divisors (see below), whose sum is σ = 29790530784. Its totient is φ = 4118506080.

The previous prime is 12012310099. The next prime is 12012310127. The reversal of 12012310100 is 101321021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8579522 + ... + 8580921.

It is an arithmetic number, because the mean of its divisors is an integer number (827514744).

Almost surely, 2^12012310100 is an apocalyptic number.

12012310100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012310100 is an abundant number, since it is smaller than the sum of its proper divisors (17778220684).

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

12012310100 is a wasteful number, since it uses less digits than its factorization.

12012310100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17160464 (or 17160457 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 12012310100 its reverse (101321021), we get a palindrome (12113631121).

The spelling of 12012310100 in words is "twelve billion, twelve million, three hundred ten thousand, one hundred".