1100201212212 has 12 divisors (see below), whose sum is σ = 2567136161856. Its totient is φ = 366733737400.

The previous prime is 1100201212211. The next prime is 1100201212213. The reversal of 1100201212212 is 2122121020011.

It is an interprime number because it is at equal distance from previous prime (1100201212211) and next prime (1100201212213).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1100201212191 and 1100201212200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100201212211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45841717164 + ... + 45841717187.

It is an arithmetic number, because the mean of its divisors is an integer number (213928013488).

Almost surely, 2^{1100201212212} is an apocalyptic number.

1100201212212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1100201212212 is an abundant number, since it is smaller than the sum of its proper divisors (1466934949644).

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

1100201212212 is a wasteful number, since it uses less digits than its factorization.

1100201212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91683434358 (or 91683434356 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1100201212212 its reverse (2122121020011), we get a palindrome (3222322232223).

The spelling of 1100201212212 in words is "one trillion, one hundred billion, two hundred one million, two hundred twelve thousand, two hundred twelve".