120021010012012 has 12 divisors (see below), whose sum is σ = 210036911013720. Its totient is φ = 60010464008096.

The previous prime is 120021010012003. The next prime is 120021010012019. The reversal of 120021010012012 is 210210010120021.

It is a junction number, because it is equal to n+sod(n) for n = 120021010011983 and 120021010012001.

It is not an unprimeable number, because it can be changed into a prime (120021010012019) 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, 3110062 + ... + 15802357.

It is an arithmetic number, because the mean of its divisors is an integer number (17503075917810).

Almost surely, 2^{120021010012012} is an apocalyptic number.

It is an amenable number.

120021010012012 is a deficient number, since it is larger than the sum of its proper divisors (90015901001708).

120021010012012 is a wasteful number, since it uses less digits than its factorization.

120021010012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20498960 (or 20498958 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120021010012012 its reverse (210210010120021), we get a palindrome (330231020132033).

The spelling of 120021010012012 in words is "one hundred twenty trillion, twenty-one billion, ten million, twelve thousand, twelve".