1001210002 has 32 divisors (see below), whose sum is σ = 1718185392. Its totient is φ = 433465344.

The previous prime is 1001209969. The next prime is 1001210003. The reversal of 1001210002 is 2000121001.

It can be written as a sum of positive squares in 8 ways, for example, as 203091001 + 798119001 = 14251^2 + 28251^2 .

It is not an unprimeable number, because it can be changed into a prime (1001210003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134728 + ... + 141964.

Almost surely, 2^1001210002 is an apocalyptic number.

1001210002 is a deficient number, since it is larger than the sum of its proper divisors (716975390).

1001210002 is a wasteful number, since it uses less digits than its factorization.

1001210002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7582.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1001210002 is about 31641.9026292668. The cubic root of 1001210002 is about 1000.4031714310.

Adding to 1001210002 its reverse (2000121001), we get a palindrome (3001331003).

The spelling of 1001210002 in words is "one billion, one million, two hundred ten thousand, two".