1100212020012 has 48 divisors (see below), whose sum is σ = 2934167830272. Its totient is φ = 314317458240.

The previous prime is 1100212019999. The next prime is 1100212020059. The reversal of 1100212020012 is 2100202120011.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1100212020012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329062 + ... + 1519442.

It is an arithmetic number, because the mean of its divisors is an integer number (61128496464).

Almost surely, 2^{1100212020012} is an apocalyptic number.

1100212020012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1100212020012 is an abundant number, since it is smaller than the sum of its proper divisors (1833955810260).

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

1100212020012 is a wasteful number, since it uses less digits than its factorization.

1100212020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201398 (or 1201396 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1100212020012 its reverse (2100202120011), we get a palindrome (3200414140023).

Subtracting 1100212020012 from its reverse (2100202120011), we obtain a palindrome (999990099999).

The spelling of 1100212020012 in words is "one trillion, one hundred billion, two hundred twelve million, twenty thousand, twelve".