1200012202 has 4 divisors (see below), whose sum is σ = 1800018306. Its totient is φ = 600006100.

The previous prime is 1200012193. The next prime is 1200012221. The reversal of 1200012202 is 2022100021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2022100021 = 1447 ⋅1397443.

It can be written as a sum of positive squares in only one way, i.e., 1199167641 + 844561 = 34629^2 + 919^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300003049 + ... + 300003052.

Almost surely, 2^1200012202 is an apocalyptic number.

1200012202 is a deficient number, since it is larger than the sum of its proper divisors (600006104).

1200012202 is an equidigital number, since it uses as much as digits as its factorization.

1200012202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600006103.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1200012202 is about 34641.1922716295. The cubic root of 1200012202 is about 1062.6621709926.

Adding to 1200012202 its reverse (2022100021), we get a palindrome (3222112223).

The spelling of 1200012202 in words is "one billion, two hundred million, twelve thousand, two hundred two".