12101000012120 has 64 divisors (see below), whose sum is σ = 28771782184800. Its totient is φ = 4567799070720.

The previous prime is 12101000012089. The next prime is 12101000012141. The reversal of 12101000012120 is 2121000010121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30782051 + ... + 31172690.

Almost surely, 2^{12101000012120} is an apocalyptic number.

12101000012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12101000012120 is an abundant number, since it is smaller than the sum of its proper divisors (16670782172680).

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

12101000012120 is a wasteful number, since it uses less digits than its factorization.

12101000012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61955028 (or 61955024 counting only the distinct ones).

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

Adding to 12101000012120 its reverse (2121000010121), we get a palindrome (14222000022241).

The spelling of 12101000012120 in words is "twelve trillion, one hundred one billion, twelve thousand, one hundred twenty".