12010212121120 has 48 divisors (see below), whose sum is σ = 28375558568280. Its totient is φ = 4803842320384.

The previous prime is 12010212121097. The next prime is 12010212121139. The reversal of 12010212121120 is 2112121201021.

It can be written as a sum of positive squares in 4 ways, for example, as 2195600843536 + 9814611277584 = 1481756^2 + 3132828^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 12010212121094 and 12010212121103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1301286 + ... + 5070874.

Almost surely, 2^{12010212121120} is an apocalyptic number.

12010212121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12010212121120 is an abundant number, since it is smaller than the sum of its proper divisors (16365346447160).

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

12010212121120 is a wasteful number, since it uses less digits than its factorization.

12010212121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3789517 (or 3789509 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12010212121120 its reverse (2112121201021), we get a palindrome (14122333322141).

The spelling of 12010212121120 in words is "twelve trillion, ten billion, two hundred twelve million, one hundred twenty-one thousand, one hundred twenty".