1235201000000 has 196 divisors, whose sum is σ = 3342398779248. Its totient is φ = 449160000000.

The previous prime is 1235200999973. The next prime is 1235201000003. The reversal of 1235201000000 is 1025321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1235201000003) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 10943855 + ... + 11056145.

Almost surely, 2^{1235201000000} is an apocalyptic number.

1235201000000 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 1235201000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1671199389624).

1235201000000 is an abundant number, since it is smaller than the sum of its proper divisors (2107197779248).

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

1235201000000 is an frugal number, since it uses more digits than its factorization.

1235201000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112344 (or 112309 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

Adding to 1235201000000 its reverse (1025321), we get a palindrome (1235202025321).

The spelling of 1235201000000 in words is "one trillion, two hundred thirty-five billion, two hundred one million", and thus it is an aban number.