302130121042 has 8 divisors (see below), whose sum is σ = 477047559600. Its totient is φ = 143114267844.

The previous prime is 302130121019. The next prime is 302130121049. The reversal of 302130121042 is 240121031203.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×302130121042² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (302130121049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3975396292 + ... + 3975396367.

It is an arithmetic number, because the mean of its divisors is an integer number (59630944950).

Almost surely, 2^302130121042 is an apocalyptic number.

302130121042 is a deficient number, since it is larger than the sum of its proper divisors (174917438558).

302130121042 is a wasteful number, since it uses less digits than its factorization.

302130121042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7950792680.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 302130121042 its reverse (240121031203), we get a palindrome (542251152245).

The spelling of 302130121042 in words is "three hundred two billion, one hundred thirty million, one hundred twenty-one thousand, forty-two".