1001212202 has 4 divisors (see below), whose sum is σ = 1501818306. Its totient is φ = 500606100.

The previous prime is 1001212181. The next prime is 1001212217. The reversal of 1001212202 is 2022121001.

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., 783384121 + 217828081 = 27989^2 + 14759^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250303049 + ... + 250303052.

Almost surely, 2^1001212202 is an apocalyptic number.

1001212202 is a deficient number, since it is larger than the sum of its proper divisors (500606104).

1001212202 is an equidigital number, since it uses as much as digits as its factorization.

1001212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500606103.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1001212202 is about 31641.9373932760. The cubic root of 1001212202 is about 1000.4039041728.

Adding to 1001212202 its reverse (2022121001), we get a palindrome (3023333203).

The spelling of 1001212202 in words is "one billion, one million, two hundred twelve thousand, two hundred two".