2143101212 has 24 divisors (see below), whose sum is σ = 4290617856. Its totient is φ = 917525808.

The previous prime is 2143101203. The next prime is 2143101217. The reversal of 2143101212 is 2121013412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143101217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11408 + ... + 66455.

It is an arithmetic number, because the mean of its divisors is an integer number (178775744).

Almost surely, 2^2143101212 is an apocalyptic number.

It is an amenable number.

2143101212 is an abundant number, since it is smaller than the sum of its proper divisors (2147516644).

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

2143101212 is a wasteful number, since it uses less digits than its factorization.

2143101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78857 (or 78855 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2143101212 is about 46293.6411616110. The cubic root of 2143101212 is about 1289.2809349139.

Adding to 2143101212 its reverse (2121013412), we get a palindrome (4264114624).

The spelling of 2143101212 in words is "two billion, one hundred forty-three million, one hundred one thousand, two hundred twelve".