12021120220202 has 8 divisors (see below), whose sum is σ = 18033227219556. Its totient is φ = 6010044480352.

The previous prime is 12021120220199. The next prime is 12021120220259. The reversal of 12021120220202 is 20202202112021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11956802695321 + 64317524881 = 3457861^2 + 253609^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257785733 + ... + 257832360.

Almost surely, 2^{12021120220202} is an apocalyptic number.

12021120220202 is a deficient number, since it is larger than the sum of its proper divisors (6012106999354).

12021120220202 is a wasteful number, since it uses less digits than its factorization.

12021120220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515629752.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12021120220202 its reverse (20202202112021), we get a palindrome (32223322332223).

The spelling of 12021120220202 in words is "twelve trillion, twenty-one billion, one hundred twenty million, two hundred twenty thousand, two hundred two".