2111212000 has 48 divisors (see below), whose sum is σ = 5187257712. Its totient is φ = 844483200.

The previous prime is 2111211983. The next prime is 2111212043. The reversal of 2111212000 is 2121112.

It is a super-2 number, since 2×2111212000² = 8914432217888000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259902 + ... + 267901.

It is an arithmetic number, because the mean of its divisors is an integer number (108067869).

Almost surely, 2^2111212000 is an apocalyptic number.

2111212000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111212000 is an abundant number, since it is smaller than the sum of its proper divisors (3076045712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2111212000 is an equidigital number, since it uses as much as digits as its factorization.

2111212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527828 (or 527810 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2111212000 is about 45947.9270479094. The cubic root of 2111212000 is about 1282.8541454160.

Adding to 2111212000 its reverse (2121112), we get a palindrome (2113333112).

The spelling of 2111212000 in words is "two billion, one hundred eleven million, two hundred twelve thousand".