3120400002 has 16 divisors (see below), whose sum is σ = 6242605920. Its totient is φ = 1039832352.

The previous prime is 3120399991. The next prime is 3120400009. The reversal of 3120400002 is 2000040213.

It is not an unprimeable number, because it can be changed into a prime (3120400009) 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 7 ways as a sum of consecutive naturals, for example, 52243 + ... + 94710.

It is an arithmetic number, because the mean of its divisors is an integer number (390162870).

Almost surely, 2^3120400002 is an apocalyptic number.

3120400002 is an abundant number, since it is smaller than the sum of its proper divisors (3122205918).

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

3120400002 is a wasteful number, since it uses less digits than its factorization.

3120400002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150497.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 3120400002 is about 55860.5406525930. The cubic root of 3120400002 is about 1461.2911581279.

Adding to 3120400002 its reverse (2000040213), we get a palindrome (5120440215).

The spelling of 3120400002 in words is "three billion, one hundred twenty million, four hundred thousand, two".