1001313212 has 24 divisors (see below), whose sum is σ = 1768650240. Its totient is φ = 495996480.

The previous prime is 1001313199. The next prime is 1001313221. The reversal of 1001313212 is 2123131001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 599114 + ... + 600782.

It is an arithmetic number, because the mean of its divisors is an integer number (73693760).

Almost surely, 2^1001313212 is an apocalyptic number.

It is an amenable number.

1001313212 is a deficient number, since it is larger than the sum of its proper divisors (767337028).

1001313212 is a wasteful number, since it uses less digits than its factorization.

1001313212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981 (or 2979 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1001313212 is about 31643.5334942228. The cubic root of 1001313212 is about 1000.4375458590.

Adding to 1001313212 its reverse (2123131001), we get a palindrome (3124444213).

The spelling of 1001313212 in words is "one billion, one million, three hundred thirteen thousand, two hundred twelve".