120021011121012 has 12 divisors (see below), whose sum is σ = 280049025949056. Its totient is φ = 40007003707000.

The previous prime is 120021011120957. The next prime is 120021011121049. The reversal of 120021011121012 is 210121110120021.

It is a happy number.

120021011121012 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×120021011121012² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120021011120982 and 120021011121000.

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, 5000875463364 + ... + 5000875463387.

It is an arithmetic number, because the mean of its divisors is an integer number (23337418829088).

Almost surely, 2^{120021011121012} is an apocalyptic number.

120021011121012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120021011121012 is an abundant number, since it is smaller than the sum of its proper divisors (160028014828044).

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

120021011121012 is a wasteful number, since it uses less digits than its factorization.

120021011121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10001750926758 (or 10001750926756 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 120021011121012 its reverse (210121110120021), we get a palindrome (330142121241033).

The spelling of 120021011121012 in words is "one hundred twenty trillion, twenty-one billion, eleven million, one hundred twenty-one thousand, twelve".