1011323549712 has 320 divisors, whose sum is σ = 3167797248000. Its totient is φ = 271587064320.

The previous prime is 1011323549699. The next prime is 1011323549729. The reversal of 1011323549712 is 2179453231101.

1011323549712 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 547548373 + ... + 547550219.

It is an arithmetic number, because the mean of its divisors is an integer number (9899366400).

Almost surely, 2^{1011323549712} is an apocalyptic number.

1011323549712 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 1011323549712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1583898624000).

1011323549712 is an abundant number, since it is smaller than the sum of its proper divisors (2156473698288).

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

1011323549712 is a wasteful number, since it uses less digits than its factorization.

1011323549712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514 (or 2508 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The spelling of 1011323549712 in words is "one trillion, eleven billion, three hundred twenty-three million, five hundred forty-nine thousand, seven hundred twelve".