302120142121132 has 12 divisors (see below), whose sum is σ = 528996502243440. Its totient is φ = 150978284337296.

The previous prime is 302120142121013. The next prime is 302120142121151. The reversal of 302120142121132 is 231121241021203.

It is a super-2 number, since 2×302120142121132² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 302120142121097 and 302120142121106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20446672507 + ... + 20446687282.

It is an arithmetic number, because the mean of its divisors is an integer number (44083041853620).

Almost surely, 2^{302120142121132} is an apocalyptic number.

It is an amenable number.

302120142121132 is a deficient number, since it is larger than the sum of its proper divisors (226876360122308).

302120142121132 is a wasteful number, since it uses less digits than its factorization.

302120142121132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40893361640 (or 40893361638 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 302120142121132 its reverse (231121241021203), we get a palindrome (533241383142335).

The spelling of 302120142121132 in words is "three hundred two trillion, one hundred twenty billion, one hundred forty-two million, one hundred twenty-one thousand, one hundred thirty-two".