1202201040040 has 256 divisors, whose sum is σ = 3675591198720. Its totient is φ = 341719741440.

The previous prime is 1202201040017. The next prime is 1202201040043. The reversal of 1202201040040 is 400401022021.

It is a junction number, because it is equal to n+sod(n) for n = 1202201039996 and 1202201040023.

It is not an unprimeable number, because it can be changed into a prime (1202201040043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3142447 + ... + 3504193.

It is an arithmetic number, because the mean of its divisors is an integer number (14357778120).

Almost surely, 2^{1202201040040} is an apocalyptic number.

1202201040040 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 1202201040040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1837795599360).

1202201040040 is an abundant number, since it is smaller than the sum of its proper divisors (2473390158680).

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

1202201040040 is a wasteful number, since it uses less digits than its factorization.

1202201040040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361872 (or 361868 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1202201040040 its reverse (400401022021), we get a palindrome (1602602062061).

The spelling of 1202201040040 in words is "one trillion, two hundred two billion, two hundred one million, forty thousand, forty".