1244253831052 has 6 divisors (see below), whose sum is σ = 2177444204348. Its totient is φ = 622126915524.

The previous prime is 1244253831043. The next prime is 1244253831071. The reversal of 1244253831052 is 2501383524421.

It is a junction number, because it is equal to n+sod(n) for n = 1244253830996 and 1244253831014.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155531728878 + ... + 155531728885.

Almost surely, 2^{1244253831052} is an apocalyptic number.

It is an amenable number.

1244253831052 is a deficient number, since it is larger than the sum of its proper divisors (933190373296).

1244253831052 is a wasteful number, since it uses less digits than its factorization.

1244253831052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311063457767 (or 311063457765 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 1244253831052 in words is "one trillion, two hundred forty-four billion, two hundred fifty-three million, eight hundred thirty-one thousand, fifty-two".