2950128912 has 20 divisors (see below), whose sum is σ = 7621166480. Its totient is φ = 983376288.

The previous prime is 2950128901. The next prime is 2950128913. The reversal of 2950128912 is 2198210592.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2950128913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30730462 + ... + 30730557.

It is an arithmetic number, because the mean of its divisors is an integer number (381058324).

Almost surely, 2^2950128912 is an apocalyptic number.

It is an amenable number.

2950128912 is an abundant number, since it is smaller than the sum of its proper divisors (4671037568).

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

2950128912 is a wasteful number, since it uses less digits than its factorization.

2950128912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61461030 (or 61461024 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 2950128912 is about 54315.0891741881. The cubic root of 2950128912 is about 1434.2130326255.

The spelling of 2950128912 in words is "two billion, nine hundred fifty million, one hundred twenty-eight thousand, nine hundred twelve".