1201211324000 has 96 divisors (see below), whose sum is σ = 2952023229792. Its totient is φ = 480379200000.

The previous prime is 1201211323979. The next prime is 1201211324017. The reversal of 1201211324000 is 4231121021.

It is a self number, because there is not a number n which added to its sum of digits gives 1201211324000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19693550 + ... + 19754450.

It is an arithmetic number, because the mean of its divisors is an integer number (30750241977).

Almost surely, 2^{1201211324000} is an apocalyptic number.

1201211324000 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 1201211324000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1476011614896).

1201211324000 is an abundant number, since it is smaller than the sum of its proper divisors (1750811905792).

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

1201211324000 is an equidigital number, since it uses as much as digits as its factorization.

1201211324000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65857 (or 65839 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1201211324000 its reverse (4231121021), we get a palindrome (1205442445021).

The spelling of 1201211324000 in words is "one trillion, two hundred one billion, two hundred eleven million, three hundred twenty-four thousand".