12020001211120 has 40 divisors (see below), whose sum is σ = 31938860362464. Its totient is φ = 4121143272192.

The previous prime is 12020001211111. The next prime is 12020001211157. The reversal of 12020001211120 is 2111210002021.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 12020001211120.

It is a congruent number.

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, 10732143379 + ... + 10732144498.

Almost surely, 2^{12020001211120} is an apocalyptic number.

12020001211120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020001211120 is an abundant number, since it is smaller than the sum of its proper divisors (19918859151344).

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

12020001211120 is a wasteful number, since it uses less digits than its factorization.

12020001211120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21464287897 (or 21464287891 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12020001211120 its reverse (2111210002021), we get a palindrome (14131211213141).

The spelling of 12020001211120 in words is "twelve trillion, twenty billion, one million, two hundred eleven thousand, one hundred twenty".