3123120100 has 36 divisors (see below), whose sum is σ = 6934788784. Its totient is φ = 1220194080.

The previous prime is 3123120083. The next prime is 3123120131. The reversal of 3123120100 is 10213213.

3123120100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 358854 + ... + 367453.

Almost surely, 2^3123120100 is an apocalyptic number.

It is an amenable number.

3123120100 is an abundant number, since it is smaller than the sum of its proper divisors (3811668684).

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

3123120100 is a wasteful number, since it uses less digits than its factorization.

3123120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726364 (or 726357 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 3123120100 is about 55884.8825712285. The cubic root of 3123120100 is about 1461.7156443832.

Adding to 3123120100 its reverse (10213213), we get a palindrome (3133333313).

The spelling of 3123120100 in words is "three billion, one hundred twenty-three million, one hundred twenty thousand, one hundred".