120215130135512 has 16 divisors (see below), whose sum is σ = 229223765089800. Its totient is φ = 59088792778240.

The previous prime is 120215130135349. The next prime is 120215130135533. The reversal of 120215130135512 is 215531031512021.

It is a super-2 number, since 2×120215130135512² (a number of 29 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 3 ways as a sum of consecutive naturals, for example, 127346535689 + ... + 127346536632.

Almost surely, 2^{120215130135512} is an apocalyptic number.

It is an amenable number.

120215130135512 is a deficient number, since it is larger than the sum of its proper divisors (109008634954288).

120215130135512 is a wasteful number, since it uses less digits than its factorization.

120215130135512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254693072386 (or 254693072382 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 32.

Adding to 120215130135512 its reverse (215531031512021), we get a palindrome (335746161647533).

The spelling of 120215130135512 in words is "one hundred twenty trillion, two hundred fifteen billion, one hundred thirty million, one hundred thirty-five thousand, five hundred twelve".