302221214120 has 96 divisors (see below), whose sum is σ = 792050351400. Its totient is φ = 103483441152.

The previous prime is 302221214107. The next prime is 302221214137. The reversal of 302221214120 is 21412122203.

It can be written as a sum of positive squares in 4 ways, for example, as 185559346756 + 116661867364 = 430766^2 + 341558^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 302221214092 and 302221214101.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1406984 + ... + 1607496.

Almost surely, 2^302221214120 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 302221214120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396025175700).

302221214120 is an abundant number, since it is smaller than the sum of its proper divisors (489829137280).

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

302221214120 is a wasteful number, since it uses less digits than its factorization.

302221214120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201307 (or 201296 counting only the distinct ones).

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

Adding to 302221214120 its reverse (21412122203), we get a palindrome (323633336323).

The spelling of 302221214120 in words is "three hundred two billion, two hundred twenty-one million, two hundred fourteen thousand, one hundred twenty".