1001243794412 has 12 divisors (see below), whose sum is σ = 1752508591680. Its totient is φ = 500527053936.

The previous prime is 1001243794321. The next prime is 1001243794457. The reversal of 1001243794412 is 2144973421001.

It is a super-3 number, since 3×1001243794412³ (a number of 37 digits) contains 333 as substring.

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, 23687063 + ... + 23729294.

It is an arithmetic number, because the mean of its divisors is an integer number (146042382640).

Almost surely, 2^{1001243794412} is an apocalyptic number.

It is an amenable number.

1001243794412 is a deficient number, since it is larger than the sum of its proper divisors (751264797268).

1001243794412 is a wasteful number, since it uses less digits than its factorization.

1001243794412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47421640 (or 47421638 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 1001243794412 in words is "one trillion, one billion, two hundred forty-three million, seven hundred ninety-four thousand, four hundred twelve".