12010212120 has 32 divisors (see below), whose sum is σ = 36030636720. Its totient is φ = 3202723200.

The previous prime is 12010212101. The next prime is 12010212121. The reversal of 12010212120 is 2121201021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12010212096 and 12010212105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010212121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50042431 + ... + 50042670.

Almost surely, 2^12010212120 is an apocalyptic number.

12010212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12010212120 is an abundant number, since it is smaller than the sum of its proper divisors (24020424600).

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

12010212120 is a wasteful number, since it uses less digits than its factorization.

12010212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100085115 (or 100085111 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12010212120 its reverse (2121201021), we get a palindrome (14131413141).

The spelling of 12010212120 in words is "twelve billion, ten million, two hundred twelve thousand, one hundred twenty".