203131340121412 has 12 divisors (see below), whose sum is σ = 355523802217920. Its totient is φ = 101553110916296.

The previous prime is 203131340121407. The next prime is 203131340121427. The reversal of 203131340121412 is 214121043131302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3139749712 + ... + 3139814407.

It is an arithmetic number, because the mean of its divisors is an integer number (29626983518160).

Almost surely, 2^{203131340121412} is an apocalyptic number.

It is an amenable number.

203131340121412 is a deficient number, since it is larger than the sum of its proper divisors (152392462096508).

203131340121412 is a wasteful number, since it uses less digits than its factorization.

203131340121412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6279572210 (or 6279572208 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 203131340121412 its reverse (214121043131302), we get a palindrome (417252383252714).

The spelling of 203131340121412 in words is "two hundred three trillion, one hundred thirty-one billion, three hundred forty million, one hundred twenty-one thousand, four hundred twelve".