1100213100312 has 128 divisors (see below), whose sum is σ = 2951995200000. Its totient is φ = 340697788416.

The previous prime is 1100213100307. The next prime is 1100213100323. The reversal of 1100213100312 is 2130013120011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1100213100291 and 1100213100300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4707189 + ... + 4935387.

It is an arithmetic number, because the mean of its divisors is an integer number (23062462500).

Almost surely, 2^{1100213100312} is an apocalyptic number.

1100213100312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1100213100312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1475997600000).

1100213100312 is an abundant number, since it is smaller than the sum of its proper divisors (1851782099688).

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

1100213100312 is a wasteful number, since it uses less digits than its factorization.

1100213100312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228433 (or 228429 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1100213100312 its reverse (2130013120011), we get a palindrome (3230226220323).

The spelling of 1100213100312 in words is "one trillion, one hundred billion, two hundred thirteen million, one hundred thousand, three hundred twelve".