1100100010512 has 40 divisors (see below), whose sum is σ = 2870062911360. Its totient is φ = 363069308800.

The previous prime is 1100100010511. The next prime is 1100100010517. The reversal of 1100100010512 is 2150100010011.

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

It is not an unprimeable number, because it can be changed into a prime (1100100010511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113454312 + ... + 113464007.

It is an arithmetic number, because the mean of its divisors is an integer number (71751572784).

Almost surely, 2^{1100100010512} is an apocalyptic number.

1100100010512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1100100010512 is an abundant number, since it is smaller than the sum of its proper divisors (1769962900848).

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

1100100010512 is a wasteful number, since it uses less digits than its factorization.

1100100010512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226918431 (or 226918425 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 12.

Adding to 1100100010512 its reverse (2150100010011), we get a palindrome (3250200020523).

The spelling of 1100100010512 in words is "one trillion, one hundred billion, one hundred million, ten thousand, five hundred twelve".