1013806533312 has 168 divisors, whose sum is σ = 2989434581952. Its totient is φ = 328250880000.

The previous prime is 1013806533301. The next prime is 1013806533323. The reversal of 1013806533312 is 2133356083101.

1013806533312 is a `hidden beast` number, since 1 + 0 + 13 + 80 + 6 + 533 + 31 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1013806533301) and next prime (1013806533323).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12768937 + ... + 12848087.

It is an arithmetic number, because the mean of its divisors is an integer number (17794253464).

Almost surely, 2^{1013806533312} is an apocalyptic number.

1013806533312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1013806533312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1494717290976).

1013806533312 is an abundant number, since it is smaller than the sum of its proper divisors (1975628048640).

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

1013806533312 is a wasteful number, since it uses less digits than its factorization.

1013806533312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79807 (or 79794 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 1013806533312 in words is "one trillion, thirteen billion, eight hundred six million, five hundred thirty-three thousand, three hundred twelve".