1201430330100 has 864 divisors, whose sum is σ = 5219425935360. Its totient is φ = 223005312000.

The previous prime is 1201430330099. The next prime is 1201430330119. The reversal of 1201430330100 is 10330341021.

1201430330100 is a `hidden beast` number, since 1 + 201 + 4 + 30 + 330 + 100 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 27906391 + ... + 27949409.

It is an arithmetic number, because the mean of its divisors is an integer number (6041002240).

Almost surely, 2^{1201430330100} is an apocalyptic number.

1201430330100 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 1201430330100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2609712967680).

1201430330100 is an abundant number, since it is smaller than the sum of its proper divisors (4017995605260).

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

1201430330100 is a wasteful number, since it uses less digits than its factorization.

1201430330100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43101 (or 43091 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1201430330100 its reverse (10330341021), we get a palindrome (1211760671121).

The spelling of 1201430330100 in words is "one trillion, two hundred one billion, four hundred thirty million, three hundred thirty thousand, one hundred".