1230320021210 has 64 divisors (see below), whose sum is σ = 2554655293440. Its totient is φ = 417887380800.

The previous prime is 1230320021191. The next prime is 1230320021239. The reversal of 1230320021210 is 121200230321.

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, 3720611 + ... + 4037769.

It is an arithmetic number, because the mean of its divisors is an integer number (39916488960).

Almost surely, 2^{1230320021210} is an apocalyptic number.

1230320021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230320021210 is an abundant number, since it is smaller than the sum of its proper divisors (1324335272230).

1230320021210 is a wasteful number, since it uses less digits than its factorization.

1230320021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317691.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1230320021210 its reverse (121200230321), we get a palindrome (1351520251531).

The spelling of 1230320021210 in words is "one trillion, two hundred thirty billion, three hundred twenty million, twenty-one thousand, two hundred ten".