12062011121 has 4 divisors (see below), whose sum is σ = 12063616500. Its totient is φ = 12060405744.

The previous prime is 12062011111. The next prime is 12062011147. The reversal of 12062011121 is 12111026021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12111026021 = 433 ⋅27970037.

It can be written as a sum of positive squares in 2 ways, for example, as 6215114896 + 5846896225 = 78836^2 + 76465^2 .

It is a cyclic number.

It is not a de Polignac number, because 12062011121 - 2⁶ = 12062011057 is a prime.

It is a super-2 number, since 2×12062011121² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12062011121.

It is not an unprimeable number, because it can be changed into a prime (12062011111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 791366 + ... + 806463.

It is an arithmetic number, because the mean of its divisors is an integer number (3015904125).

Almost surely, 2^12062011121 is an apocalyptic number.

It is an amenable number.

12062011121 is a deficient number, since it is larger than the sum of its proper divisors (1605379).

12062011121 is an equidigital number, since it uses as much as digits as its factorization.

12062011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605378.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12062011121 its reverse (12111026021), we get a palindrome (24173037142).

The spelling of 12062011121 in words is "twelve billion, sixty-two million, eleven thousand, one hundred twenty-one".