1231421414252 has 12 divisors (see below), whose sum is σ = 2229297388080. Its totient is φ = 594479303376.

The previous prime is 1231421414221. The next prime is 1231421414257. The reversal of 1231421414252 is 2524141241321.

It is not an unprimeable number, because it can be changed into a prime (1231421414257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5307850808 + ... + 5307851039.

It is an arithmetic number, because the mean of its divisors is an integer number (185774782340).

Almost surely, 2^{1231421414252} is an apocalyptic number.

It is an amenable number.

1231421414252 is a deficient number, since it is larger than the sum of its proper divisors (997875973828).

1231421414252 is a wasteful number, since it uses less digits than its factorization.

1231421414252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10615701880 (or 10615701878 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

Adding to 1231421414252 its reverse (2524141241321), we get a palindrome (3755562655573).

The spelling of 1231421414252 in words is "one trillion, two hundred thirty-one billion, four hundred twenty-one million, four hundred fourteen thousand, two hundred fifty-two".