1100201212012 has 48 divisors (see below), whose sum is σ = 2396082528000. Its totient is φ = 431294842944.

The previous prime is 1100201211979. The next prime is 1100201212013. The reversal of 1100201212012 is 2102121020011.

It is a junction number, because it is equal to n+sod(n) for n = 1100201211983 and 1100201212001.

It is not an unprimeable number, because it can be changed into a prime (1100201212013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35640562 + ... + 35671417.

It is an arithmetic number, because the mean of its divisors is an integer number (49918386000).

Almost surely, 2^{1100201212012} is an apocalyptic number.

It is an amenable number.

1100201212012 is an abundant number, since it is smaller than the sum of its proper divisors (1295881315988).

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

1100201212012 is a wasteful number, since it uses less digits than its factorization.

1100201212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71312038 (or 71312036 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1100201212012 its reverse (2102121020011), we get a palindrome (3202322232023).

The spelling of 1100201212012 in words is "one trillion, one hundred billion, two hundred one million, two hundred twelve thousand, twelve".