1200023001330 has 64 divisors (see below), whose sum is σ = 2958822794880. Its totient is φ = 311259608064.

The previous prime is 1200023001329. The next prime is 1200023001377. The reversal of 1200023001330 is 331003200021.

It is a super-2 number, since 2×1200023001330² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3402841 + ... + 3738899.

It is an arithmetic number, because the mean of its divisors is an integer number (46231606170).

Almost surely, 2^{1200023001330} is an apocalyptic number.

1200023001330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200023001330 is an abundant number, since it is smaller than the sum of its proper divisors (1758799793550).

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

1200023001330 is a wasteful number, since it uses less digits than its factorization.

1200023001330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339323.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 1200023001330 its reverse (331003200021), we get a palindrome (1531026201351).

The spelling of 1200023001330 in words is "one trillion, two hundred billion, twenty-three million, one thousand, three hundred thirty".