1220313102232 has 128 divisors (see below), whose sum is σ = 2653814592000. Its totient is φ = 515283793920.

The previous prime is 1220313102161. The next prime is 1220313102233. The reversal of 1220313102232 is 2322013130221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220313102233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1209427744 + ... + 1209428752.

It is an arithmetic number, because the mean of its divisors is an integer number (20732926500).

Almost surely, 2^{1220313102232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1220313102232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1326907296000).

1220313102232 is an abundant number, since it is smaller than the sum of its proper divisors (1433501489768).

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

1220313102232 is a wasteful number, since it uses less digits than its factorization.

1220313102232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049 (or 2045 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1220313102232 its reverse (2322013130221), we get a palindrome (3542326232453).

The spelling of 1220313102232 in words is "one trillion, two hundred twenty billion, three hundred thirteen million, one hundred two thousand, two hundred thirty-two".