1302221123220 has 24 divisors (see below), whose sum is σ = 3646219145184. Its totient is φ = 347258966176.

The previous prime is 1302221123219. The next prime is 1302221123233. The reversal of 1302221123220 is 223211222031.

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, 10851842634 + ... + 10851842753.

It is an arithmetic number, because the mean of its divisors is an integer number (151925797716).

Almost surely, 2^{1302221123220} is an apocalyptic number.

1302221123220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1302221123220 is an abundant number, since it is smaller than the sum of its proper divisors (2343998021964).

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

1302221123220 is a wasteful number, since it uses less digits than its factorization.

1302221123220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21703685399 (or 21703685397 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1302221123220 its reverse (223211222031), we get a palindrome (1525432345251).

The spelling of 1302221123220 in words is "one trillion, three hundred two billion, two hundred twenty-one million, one hundred twenty-three thousand, two hundred twenty".