1253343121112 has 16 divisors (see below), whose sum is σ = 2361155883000. Its totient is φ = 623701552320.

The previous prime is 1253343121087. The next prime is 1253343121127. The reversal of 1253343121112 is 2111213433521.

It is a congruent number.

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, 371249237 + ... + 371252612.

Almost surely, 2^{1253343121112} is an apocalyptic number.

It is an amenable number.

1253343121112 is a deficient number, since it is larger than the sum of its proper divisors (1107812761888).

1253343121112 is a wasteful number, since it uses less digits than its factorization.

1253343121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742502066 (or 742502062 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

Adding to 1253343121112 its reverse (2111213433521), we get a palindrome (3364556554633).

The spelling of 1253343121112 in words is "one trillion, two hundred fifty-three billion, three hundred forty-three million, one hundred twenty-one thousand, one hundred twelve".