120021020212120 has 16 divisors (see below), whose sum is σ = 270047295477360. Its totient is φ = 48008408084832.

The previous prime is 120021020212111. The next prime is 120021020212129. The reversal of 120021020212120 is 21212020120021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (120021020212111) and next prime (120021020212129).

It is a junction number, because it is equal to n+sod(n) for n = 120021020212094 and 120021020212103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120021020212129) 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, 1500262752612 + ... + 1500262752691.

It is an arithmetic number, because the mean of its divisors is an integer number (16877955967335).

Almost surely, 2^{120021020212120} is an apocalyptic number.

120021020212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120021020212120 is an abundant number, since it is smaller than the sum of its proper divisors (150026275265240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120021020212120 is a wasteful number, since it uses less digits than its factorization.

120021020212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000525505314 (or 3000525505310 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120021020212120 its reverse (21212020120021), we get a palindrome (141233040332141).

The spelling of 120021020212120 in words is "one hundred twenty trillion, twenty-one billion, twenty million, two hundred twelve thousand, one hundred twenty".