4131121303212 has 12 divisors (see below), whose sum is σ = 9639283040856. Its totient is φ = 1377040434400.

The previous prime is 4131121303207. The next prime is 4131121303291. The reversal of 4131121303212 is 2123031211314.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172130054289 + ... + 172130054312.

It is an arithmetic number, because the mean of its divisors is an integer number (803273586738).

Almost surely, 2^{4131121303212} is an apocalyptic number.

It is an amenable number.

4131121303212 is an abundant number, since it is smaller than the sum of its proper divisors (5508161737644).

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

4131121303212 is a wasteful number, since it uses less digits than its factorization.

4131121303212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344260108608 (or 344260108606 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 4131121303212 its reverse (2123031211314), we get a palindrome (6254152514526).

The spelling of 4131121303212 in words is "four trillion, one hundred thirty-one billion, one hundred twenty-one million, three hundred three thousand, two hundred twelve".