1001202212 has 6 divisors (see below), whose sum is σ = 1752103878. Its totient is φ = 500601104.

The previous prime is 1001202197. The next prime is 1001202221. The reversal of 1001202212 is 2122021001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 987467776 + 13734436 = 31424^2 + 3706^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1001202193 and 1001202202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125150273 + ... + 125150280.

It is an arithmetic number, because the mean of its divisors is an integer number (292017313).

Almost surely, 2^1001202212 is an apocalyptic number.

It is an amenable number.

1001202212 is a deficient number, since it is larger than the sum of its proper divisors (750901666).

1001202212 is a wasteful number, since it uses less digits than its factorization.

1001202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250300557 (or 250300555 counting only the distinct ones).

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

The square root of 1001202212 is about 31641.7795327633. The cubic root of 1001202212 is about 1000.4005768501.

Adding to 1001202212 its reverse (2122021001), we get a palindrome (3123223213).

The spelling of 1001202212 in words is "one billion, one million, two hundred two thousand, two hundred twelve".