2106543212 has 12 divisors (see below), whose sum is σ = 3687434856. Its totient is φ = 1052990400.

The previous prime is 2106543199. The next prime is 2106543227. The reversal of 2106543212 is 2123456012.

It is a happy number.

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, 52973 + ... + 83780.

It is an arithmetic number, because the mean of its divisors is an integer number (307286238).

Almost surely, 2^2106543212 is an apocalyptic number.

It is an amenable number.

2106543212 is a deficient number, since it is larger than the sum of its proper divisors (1580891644).

2106543212 is a wasteful number, since it uses less digits than its factorization.

2106543212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140608 (or 140606 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2106543212 is about 45897.0937206268. The cubic root of 2106543212 is about 1281.9078020376.

Adding to 2106543212 its reverse (2123456012), we get a palindrome (4229999224).

The spelling of 2106543212 in words is "two billion, one hundred six million, five hundred forty-three thousand, two hundred twelve".