3101199912 has 256 divisors, whose sum is σ = 9538560000. Its totient is φ = 929698560.

The previous prime is 3101199889. The next prime is 3101199961. The reversal of 3101199912 is 2199911013.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8449953 + ... + 8450319.

It is an arithmetic number, because the mean of its divisors is an integer number (37260000).

Almost surely, 2^3101199912 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 3101199912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4769280000).

3101199912 is an abundant number, since it is smaller than the sum of its proper divisors (6437360088).

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

3101199912 is a wasteful number, since it uses less digits than its factorization.

3101199912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 36.

The square root of 3101199912 is about 55688.4181136437. The cubic root of 3101199912 is about 1458.2878396634.

The spelling of 3101199912 in words is "three billion, one hundred one million, one hundred ninety-nine thousand, nine hundred twelve".