1001041117812 has 96 divisors (see below), whose sum is σ = 2774635718400. Its totient is φ = 311003006976.

The previous prime is 1001041117787. The next prime is 1001041117831. The reversal of 1001041117812 is 2187111401001.

It is a happy number.

It is a super-4 number, since 4×1001041117812⁴ (a number of 49 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2457637 + ... + 2835852.

It is an arithmetic number, because the mean of its divisors is an integer number (28902455400).

Almost surely, 2^{1001041117812} is an apocalyptic number.

1001041117812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1001041117812 is an abundant number, since it is smaller than the sum of its proper divisors (1773594600588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001041117812 is a wasteful number, since it uses less digits than its factorization.

1001041117812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5293622 (or 5293614 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 27.

Adding to 1001041117812 its reverse (2187111401001), we get a palindrome (3188152518813).

The spelling of 1001041117812 in words is "one trillion, one billion, forty-one million, one hundred seventeen thousand, eight hundred twelve".