302130120402 has 96 divisors (see below), whose sum is σ = 725010683904. Its totient is φ = 90169632000.

The previous prime is 302130120379. The next prime is 302130120433. The reversal of 302130120402 is 204021031203.

302130120402 is a `hidden beast` number, since 30 + 213 + 0 + 1 + 20 + 402 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3401152 + ... + 3488852.

It is an arithmetic number, because the mean of its divisors is an integer number (7552194624).

Almost surely, 2^302130120402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 302130120402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362505341952).

302130120402 is an abundant number, since it is smaller than the sum of its proper divisors (422880563502).

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

302130120402 is a wasteful number, since it uses less digits than its factorization.

302130120402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87984 (or 87981 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 302130120402 its reverse (204021031203), we get a palindrome (506151151605).

The spelling of 302130120402 in words is "three hundred two billion, one hundred thirty million, one hundred twenty thousand, four hundred two".