1320210221204 has 12 divisors (see below), whose sum is σ = 2640420442464. Its totient is φ = 565804380504.

The previous prime is 1320210221203. The next prime is 1320210221227. The reversal of 1320210221204 is 4021220120231.

1320210221204 is an admirable number.

It is a super-2 number, since 2×1320210221204² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320210221203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23575182494 + ... + 23575182549.

It is an arithmetic number, because the mean of its divisors is an integer number (220035036872).

Almost surely, 2^{1320210221204} is an apocalyptic number.

1320210221204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1320210221204 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1320210221204 is a wasteful number, since it uses less digits than its factorization.

1320210221204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47150365054 (or 47150365052 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1320210221204 its reverse (4021220120231), we get a palindrome (5341430341435).

The spelling of 1320210221204 in words is "one trillion, three hundred twenty billion, two hundred ten million, two hundred twenty-one thousand, two hundred four".