12120121000010 has 64 divisors (see below), whose sum is σ = 22683887246592. Its totient is φ = 4659458259456.

The previous prime is 12120120999983. The next prime is 12120121000063. The reversal of 12120121000010 is 1000012102121.

It is a junction number, because it is equal to n+sod(n) for n = 12120120999955 and 12120121000000.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 6082022 + ... + 7825038.

It is an arithmetic number, because the mean of its divisors is an integer number (354435738228).

Almost surely, 2^{12120121000010} is an apocalyptic number.

12120121000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120121000010 is a deficient number, since it is larger than the sum of its proper divisors (10563766246582).

12120121000010 is a wasteful number, since it uses less digits than its factorization.

12120121000010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743327.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12120121000010 its reverse (1000012102121), we get a palindrome (13120133102131).

The spelling of 12120121000010 in words is "twelve trillion, one hundred twenty billion, one hundred twenty-one million, ten", and thus it is an aban number.