1000212311 has 16 divisors (see below), whose sum is σ = 1172742144. Its totient is φ = 835259904.

The previous prime is 1000212281. The next prime is 1000212313. The reversal of 1000212311 is 1132120001.

It is a cyclic number.

It is not a de Polignac number, because 1000212311 - 2¹⁴ = 1000195927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000212292 and 1000212301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000212313) 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, 66551 + ... + 80183.

It is an arithmetic number, because the mean of its divisors is an integer number (73296384).

Almost surely, 2^1000212311 is an apocalyptic number.

1000212311 is a deficient number, since it is larger than the sum of its proper divisors (172529833).

1000212311 is a wasteful number, since it uses less digits than its factorization.

1000212311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13910.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1000212311 is about 31626.1333551859. The cubic root of 1000212311 is about 1000.0707653255.

Adding to 1000212311 its reverse (1132120001), we get a palindrome (2132332312).

The spelling of 1000212311 in words is "one billion, two hundred twelve thousand, three hundred eleven".