1001212006 has 4 divisors (see below), whose sum is σ = 1501818012. Its totient is φ = 500606002.

The previous prime is 1001211989. The next prime is 1001212013. The reversal of 1001212006 is 6002121001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6002121001 = 28433 ⋅211097.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250303000 + ... + 250303003.

It is an arithmetic number, because the mean of its divisors is an integer number (375454503).

Almost surely, 2^1001212006 is an apocalyptic number.

1001212006 is a deficient number, since it is larger than the sum of its proper divisors (500606006).

1001212006 is an equidigital number, since it uses as much as digits as its factorization.

1001212006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500606005.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1001212006 is about 31641.9342961204. The cubic root of 1001212006 is about 1000.4038388922.

Adding to 1001212006 its reverse (6002121001), we get a palindrome (7003333007).

The spelling of 1001212006 in words is "one billion, one million, two hundred twelve thousand, six".