1011103212000 has 768 divisors, whose sum is σ = 3933212774400. Its totient is φ = 222166425600.

The previous prime is 1011103211999. The next prime is 1011103212019. The reversal of 1011103212000 is 2123011101.

1011103212000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 655283229 + ... + 655284771.

It is an arithmetic number, because the mean of its divisors is an integer number (5121370800).

Almost surely, 2^{1011103212000} is an apocalyptic number.

1011103212000 is a gapful number since it is divisible by the number (10) 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 1011103212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1966606387200).

1011103212000 is an abundant number, since it is smaller than the sum of its proper divisors (2922109562400).

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

1011103212000 is a wasteful number, since it uses less digits than its factorization.

1011103212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876 (or 1858 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 1011103212000 its reverse (2123011101), we get a palindrome (1013226223101).

The spelling of 1011103212000 in words is "one trillion, eleven billion, one hundred three million, two hundred twelve thousand".