12120020002111 has 32 divisors (see below), whose sum is σ = 14036181811200. Its totient is φ = 10250828834400.

The previous prime is 12120020002099. The next prime is 12120020002117. The reversal of 12120020002111 is 11120002002121.

It is not a de Polignac number, because 12120020002111 - 2¹³ = 12120019993919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12120020002091 and 12120020002100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120020002117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1317532090 + ... + 1317541288.

It is an arithmetic number, because the mean of its divisors is an integer number (438630681600).

Almost surely, 2^{12120020002111} is an apocalyptic number.

12120020002111 is a deficient number, since it is larger than the sum of its proper divisors (1916161809089).

12120020002111 is a wasteful number, since it uses less digits than its factorization.

12120020002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16075.

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

Adding to 12120020002111 its reverse (11120002002121), we get a palindrome (23240022004232).

The spelling of 12120020002111 in words is "twelve trillion, one hundred twenty billion, twenty million, two thousand, one hundred eleven".