1201133003220 has 72 divisors (see below), whose sum is σ = 3644782202880. Its totient is φ = 320183855040.

The previous prime is 1201133003149. The next prime is 1201133003221. The reversal of 1201133003220 is 223003311021.

1201133003220 is a `hidden beast` number, since 1 + 2 + 0 + 11 + 330 + 0 + 322 + 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 = 1201133003193 and 1201133003202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201133003221) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 742740 + ... + 1718699.

It is an arithmetic number, because the mean of its divisors is an integer number (50621975040).

Almost surely, 2^{1201133003220} is an apocalyptic number.

1201133003220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201133003220 is an abundant number, since it is smaller than the sum of its proper divisors (2443649199660).

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

1201133003220 is a wasteful number, since it uses less digits than its factorization.

1201133003220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464165 (or 2464160 counting only the distinct ones).

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

Adding to 1201133003220 its reverse (223003311021), we get a palindrome (1424136314241).

The spelling of 1201133003220 in words is "one trillion, two hundred one billion, one hundred thirty-three million, three thousand, two hundred twenty".