1211124341000 has 256 divisors, whose sum is σ = 3329847705600. Its totient is φ = 403699680000.

The previous prime is 1211124340997. The next prime is 1211124341023. The reversal of 1211124341000 is 1434211121.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49666811 + ... + 49691189.

It is an arithmetic number, because the mean of its divisors is an integer number (13007217600).

Almost surely, 2^{1211124341000} is an apocalyptic number.

1211124341000 is a gapful number since it is divisible by the number (10) 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 1211124341000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1664923852800).

1211124341000 is an abundant number, since it is smaller than the sum of its proper divisors (2118723364600).

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

1211124341000 is a wasteful number, since it uses less digits than its factorization.

1211124341000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24605 (or 24591 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1211124341000 its reverse (1434211121), we get a palindrome (1212558552121).

The spelling of 1211124341000 in words is "one trillion, two hundred eleven billion, one hundred twenty-four million, three hundred forty-one thousand".