302131021012 has 24 divisors (see below), whose sum is σ = 541061136000. Its totient is φ = 147555009600.

The previous prime is 302131021007. The next prime is 302131021019. The reversal of 302131021012 is 210120131203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302131021019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1516489 + ... + 1704112.

It is an arithmetic number, because the mean of its divisors is an integer number (22544214000).

Almost surely, 2^302131021012 is an apocalyptic number.

It is an amenable number.

302131021012 is a deficient number, since it is larger than the sum of its proper divisors (238930114988).

302131021012 is a wasteful number, since it uses less digits than its factorization.

302131021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3221151 (or 3221149 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 302131021012 its reverse (210120131203), we get a palindrome (512251152215).

The spelling of 302131021012 in words is "three hundred two billion, one hundred thirty-one million, twenty-one thousand, twelve".