2142142212 has 36 divisors (see below), whose sum is σ = 5814387600. Its totient is φ = 612040464.

The previous prime is 2142142199. The next prime is 2142142259. The reversal of 2142142212 is 2122412412.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1820962 + ... + 1822137.

Almost surely, 2^2142142212 is an apocalyptic number.

It is an amenable number.

2142142212 is an abundant number, since it is smaller than the sum of its proper divisors (3672245388).

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

2142142212 is a wasteful number, since it uses less digits than its factorization.

2142142212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643120 (or 3643111 counting only the distinct ones).

The product of its digits is 512, while the sum is 21.

The square root of 2142142212 is about 46283.2822085902. The cubic root of 2142142212 is about 1289.0885960607.

Adding to 2142142212 its reverse (2122412412), we get a palindrome (4264554624).

The spelling of 2142142212 in words is "two billion, one hundred forty-two million, one hundred forty-two thousand, two hundred twelve".