12111012020122 has 4 divisors (see below), whose sum is σ = 18166518030186. Its totient is φ = 6055506010060.

The previous prime is 12111012020083. The next prime is 12111012020123. The reversal of 12111012020122 is 22102021011121.

12111012020122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11937930227161 + 173081792961 = 3455131^2 + 416031^2 .

It is a super-2 number, since 2×12111012020122² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12111012020096 and 12111012020105.

It is not an unprimeable number, because it can be changed into a prime (12111012020123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3027753005029 + ... + 3027753005032.

Almost surely, 2^{12111012020122} is an apocalyptic number.

12111012020122 is a deficient number, since it is larger than the sum of its proper divisors (6055506010064).

12111012020122 is an equidigital number, since it uses as much as digits as its factorization.

12111012020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6055506010063.

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

Adding to 12111012020122 its reverse (22102021011121), we get a palindrome (34213033031243).

The spelling of 12111012020122 in words is "twelve trillion, one hundred eleven billion, twelve million, twenty thousand, one hundred twenty-two".