1284936168892 has 12 divisors (see below), whose sum is σ = 2248646359960. Its totient is φ = 642465780336.

The previous prime is 1284936168889. The next prime is 1284936168911. The reversal of 1284936168892 is 2988616394821.

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, 1553359 + ... + 2232217.

Almost surely, 2^{1284936168892} is an apocalyptic number.

It is an amenable number.

1284936168892 is a deficient number, since it is larger than the sum of its proper divisors (963710191068).

1284936168892 is a wasteful number, since it uses less digits than its factorization.

1284936168892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152060 (or 1152058 counting only the distinct ones).

The product of its digits is 71663616, while the sum is 67.

The spelling of 1284936168892 in words is "one trillion, two hundred eighty-four billion, nine hundred thirty-six million, one hundred sixty-eight thousand, eight hundred ninety-two".