1201033221030 has 320 divisors, whose sum is σ = 3391842263040. Its totient is φ = 304578144000.

The previous prime is 1201033221023. The next prime is 1201033221043. The reversal of 1201033221030 is 301223301021.

1201033221030 is a `hidden beast` number, since 120 + 1 + 0 + 332 + 210 + 3 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1201033220994 and 1201033221012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 352517587 + ... + 352520993.

It is an arithmetic number, because the mean of its divisors is an integer number (10599507072).

Almost surely, 2^{1201033221030} is an apocalyptic number.

1201033221030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201033221030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1695921131520).

1201033221030 is an abundant number, since it is smaller than the sum of its proper divisors (2190809042010).

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

1201033221030 is a wasteful number, since it uses less digits than its factorization.

1201033221030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3697 (or 3688 counting only the distinct ones).

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

Adding to 1201033221030 its reverse (301223301021), we get a palindrome (1502256522051).

The spelling of 1201033221030 in words is "one trillion, two hundred one billion, thirty-three million, two hundred twenty-one thousand, thirty".