1201133235040 has 24 divisors (see below), whose sum is σ = 2837677268160. Its totient is φ = 480453293952.

The previous prime is 1201133235017. The next prime is 1201133235079. The reversal of 1201133235040 is 405323311021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1201133234996 and 1201133235014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3753541200 + ... + 3753541519.

It is an arithmetic number, because the mean of its divisors is an integer number (118236552840).

Almost surely, 2^{1201133235040} is an apocalyptic number.

1201133235040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201133235040 is an abundant number, since it is smaller than the sum of its proper divisors (1636544033120).

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

1201133235040 is an equidigital number, since it uses as much as digits as its factorization.

1201133235040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7507082734 (or 7507082726 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 1201133235040 its reverse (405323311021), we get a palindrome (1606456546061).

The spelling of 1201133235040 in words is "one trillion, two hundred one billion, one hundred thirty-three million, two hundred thirty-five thousand, forty".