120021000020312 has 16 divisors (see below), whose sum is σ = 230272848876840. Its totient is φ = 58614906986496.

The previous prime is 120021000020279. The next prime is 120021000020321. The reversal of 120021000020312 is 213020000120021.

It is a happy number.

It is a super-3 number, since 3×120021000020312³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

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, 174449127593 + ... + 174449128280.

Almost surely, 2^{120021000020312} is an apocalyptic number.

It is an amenable number.

120021000020312 is a deficient number, since it is larger than the sum of its proper divisors (110251848856528).

120021000020312 is a wasteful number, since it uses less digits than its factorization.

120021000020312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348898255922 (or 348898255918 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 120021000020312 its reverse (213020000120021), we get a palindrome (333041000140333).

The spelling of 120021000020312 in words is "one hundred twenty trillion, twenty-one billion, twenty thousand, three hundred twelve".