12000022020122 has 4 divisors (see below), whose sum is σ = 18000033030186. Its totient is φ = 6000011010060.

The previous prime is 12000022020083. The next prime is 12000022020191. The reversal of 12000022020122 is 22102022000021.

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., 9383874282721 + 2616147737401 = 3063311^2 + 1617451^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12000022020097 and 12000022020106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3000005505029 + ... + 3000005505032.

Almost surely, 2^{12000022020122} is an apocalyptic number.

12000022020122 is a deficient number, since it is larger than the sum of its proper divisors (6000011010064).

12000022020122 is an equidigital number, since it uses as much as digits as its factorization.

12000022020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000011010063.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12000022020122 its reverse (22102022000021), we get a palindrome (34102044020143).

The spelling of 12000022020122 in words is "twelve trillion, twenty-two million, twenty thousand, one hundred twenty-two".