302130122221300 has 144 divisors (see below), whose sum is σ = 669317078559024. Its totient is φ = 118346342400000.

The previous prime is 302130122221253. The next prime is 302130122221321. The reversal of 302130122221300 is 3122221031203.

It can be written as a sum of positive squares in 24 ways, for example, as 201705552526864 + 100424569694436 = 14202308^2 + 10021206^2 .

It is a super-2 number, since 2×302130122221300² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1274299564 + ... + 1274536636.

It is an arithmetic number, because the mean of its divisors is an integer number (4648035267771).

Almost surely, 2^{302130122221300} 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 302130122221300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334658539279512).

302130122221300 is an abundant number, since it is smaller than the sum of its proper divisors (367186956337724).

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

302130122221300 is a wasteful number, since it uses less digits than its factorization.

302130122221300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238070 (or 238063 counting only the distinct ones).

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

Adding to 302130122221300 its reverse (3122221031203), we get a palindrome (305252343252503).

The spelling of 302130122221300 in words is "three hundred two trillion, one hundred thirty billion, one hundred twenty-two million, two hundred twenty-one thousand, three hundred".