2100311212 has 12 divisors (see below), whose sum is σ = 3683920240. Its totient is φ = 1047762576.

The previous prime is 2100311209. The next prime is 2100311233. The reversal of 2100311212 is 2121130012.

It is a super-2 number, since 2×2100311212² = 8822614374505817888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2100311192 and 2100311201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 596283 + ... + 599794.

Almost surely, 2^2100311212 is an apocalyptic number.

It is an amenable number.

2100311212 is a deficient number, since it is larger than the sum of its proper divisors (1583609028).

2100311212 is a wasteful number, since it uses less digits than its factorization.

2100311212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196520 (or 1196518 counting only the distinct ones).

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

The square root of 2100311212 is about 45829.1524250667. The cubic root of 2100311212 is about 1280.6424208475.

Adding to 2100311212 its reverse (2121130012), we get a palindrome (4221441224).

The spelling of 2100311212 in words is "two billion, one hundred million, three hundred eleven thousand, two hundred twelve".