1284521248492 has 12 divisors (see below), whose sum is σ = 2247935086096. Its totient is φ = 642254081040.

The previous prime is 1284521248489. The next prime is 1284521248529. The reversal of 1284521248492 is 2948421254821.

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, 1179984 + ... + 1990327.

Almost surely, 2^{1284521248492} is an apocalyptic number.

It is an amenable number.

1284521248492 is a deficient number, since it is larger than the sum of its proper divisors (963413837604).

1284521248492 is a wasteful number, since it uses less digits than its factorization.

1284521248492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3271608 (or 3271606 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 52.

The spelling of 1284521248492 in words is "one trillion, two hundred eighty-four billion, five hundred twenty-one million, two hundred forty-eight thousand, four hundred ninety-two".