3100200012 has 360 divisors, whose sum is σ = 10277205120. Its totient is φ = 782369280.

The previous prime is 3100200007. The next prime is 3100200031. The reversal of 3100200012 is 2100020013.

It is a happy number.

It is a super-2 number, since 2×3100200012² = 19222480228809600288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 3100199967 and 3100200003.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 34833664 + ... + 34833752.

It is an arithmetic number, because the mean of its divisors is an integer number (28547792).

Almost surely, 2^3100200012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3100200012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5138602560).

3100200012 is an abundant number, since it is smaller than the sum of its proper divisors (7177005108).

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

3100200012 is a wasteful number, since it uses less digits than its factorization.

3100200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 3100200012 is about 55679.4397601125. The cubic root of 3100200012 is about 1458.1310940173.

Adding to 3100200012 its reverse (2100020013), we get a palindrome (5200220025).

The spelling of 3100200012 in words is "three billion, one hundred million, two hundred thousand, twelve".