1200120012202 has 4 divisors (see below), whose sum is σ = 1800180018306. Its totient is φ = 600060006100.

The previous prime is 1200120012187. The next prime is 1200120012209. The reversal of 1200120012202 is 2022100210021.

It is a happy number.

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., 1156831464721 + 43288547481 = 1075561^2 + 208059^2 .

It is not an unprimeable number, because it can be changed into a prime (1200120012209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300030003049 + ... + 300030003052.

Almost surely, 2^{1200120012202} is an apocalyptic number.

1200120012202 is a deficient number, since it is larger than the sum of its proper divisors (600060006104).

1200120012202 is an equidigital number, since it uses as much as digits as its factorization.

1200120012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600060006103.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1200120012202 its reverse (2022100210021), we get a palindrome (3222220222223).

The spelling of 1200120012202 in words is "one trillion, two hundred billion, one hundred twenty million, twelve thousand, two hundred two".