1220211341304 has 32 divisors (see below), whose sum is σ = 3115433214720. Its totient is φ = 398083132256.

The previous prime is 1220211341267. The next prime is 1220211341339. The reversal of 1220211341304 is 4031431120221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540872694 + ... + 540874949.

It is an arithmetic number, because the mean of its divisors is an integer number (97357287960).

Almost surely, 2^{1220211341304} is an apocalyptic number.

It is an amenable number.

1220211341304 is an abundant number, since it is smaller than the sum of its proper divisors (1895221873416).

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

1220211341304 is a wasteful number, since it uses less digits than its factorization.

1220211341304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081747699 (or 1081747695 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1220211341304 its reverse (4031431120221), we get a palindrome (5251642461525).

The spelling of 1220211341304 in words is "one trillion, two hundred twenty billion, two hundred eleven million, three hundred forty-one thousand, three hundred four".