120000210012 has 18 divisors (see below), whose sum is σ = 303333864288. Its totient is φ = 40000069992.

The previous prime is 120000209911. The next prime is 120000210019. The reversal of 120000210012 is 210012000021.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 120000209976 and 120000210003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120000210019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1666669548 + ... + 1666669619.

Almost surely, 2^120000210012 is an apocalyptic number.

120000210012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120000210012 is an abundant number, since it is smaller than the sum of its proper divisors (183333654276).

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

120000210012 is a wasteful number, since it uses less digits than its factorization.

120000210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3333339177 (or 3333339172 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 120000210012 its reverse (210012000021), we get a palindrome (330012210033).

The spelling of 120000210012 in words is "one hundred twenty billion, two hundred ten thousand, twelve".