1211011838300 has 54 divisors (see below), whose sum is σ = 2888513472264. Its totient is φ = 440367936800.

The previous prime is 1211011838297. The next prime is 1211011838317. The reversal of 1211011838300 is 38381101121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 50029712 + ... + 50053911.

Almost surely, 2^{1211011838300} is an apocalyptic number.

1211011838300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1211011838300 is an abundant number, since it is smaller than the sum of its proper divisors (1677501633964).

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

1211011838300 is a wasteful number, since it uses less digits than its factorization.

1211011838300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100083659 (or 100083641 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 29.

Adding to 1211011838300 its reverse (38381101121), we get a palindrome (1249392939421).

The spelling of 1211011838300 in words is "one trillion, two hundred eleven billion, eleven million, eight hundred thirty-eight thousand, three hundred".