3120203103312 has 40 divisors (see below), whose sum is σ = 8060726707456. Its totient is φ = 1040041633536.

The previous prime is 3120203103229. The next prime is 3120203103317. The reversal of 3120203103312 is 2133013020213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120203103317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1170348 + ... + 2758644.

Almost surely, 2^{3120203103312} is an apocalyptic number.

It is an amenable number.

3120203103312 is an abundant number, since it is smaller than the sum of its proper divisors (4940523604144).

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

3120203103312 is a wasteful number, since it uses less digits than its factorization.

3120203103312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629235 (or 1629229 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 3120203103312 its reverse (2133013020213), we get a palindrome (5253216123525).

The spelling of 3120203103312 in words is "three trillion, one hundred twenty billion, two hundred three million, one hundred three thousand, three hundred twelve".