1100201212000 has 144 divisors (see below), whose sum is σ = 2971281077856. Its totient is φ = 400072992000.

The previous prime is 1100201211979. The next prime is 1100201212013. The reversal of 1100201212000 is 2121020011.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

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, 652572 + ... + 1620571.

It is an arithmetic number, because the mean of its divisors is an integer number (20633896374).

Almost surely, 2^{1100201212000} is an apocalyptic number.

1100201212000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100201212000 is an abundant number, since it is smaller than the sum of its proper divisors (1871079865856).

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

1100201212000 is a wasteful number, since it uses less digits than its factorization.

1100201212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2273190 (or 2273161 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1100201212000 its reverse (2121020011), we get a palindrome (1102322232011).

The spelling of 1100201212000 in words is "one trillion, one hundred billion, two hundred one million, two hundred twelve thousand".