2012142231 has 24 divisors (see below), whose sum is σ = 3176035200. Its totient is φ = 1217408400.

The previous prime is 2012142217. The next prime is 2012142233. The reversal of 2012142231 is 1322412102.

It is a happy number.

It is not a de Polignac number, because 2012142231 - 2¹³ = 2012134039 is a prime.

It is a super-2 number, since 2×2012142231² = 8097432715547314722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012142233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42336 + ... + 76266.

It is an arithmetic number, because the mean of its divisors is an integer number (132334800).

Almost surely, 2^2012142231 is an apocalyptic number.

2012142231 is a deficient number, since it is larger than the sum of its proper divisors (1163892969).

2012142231 is a wasteful number, since it uses less digits than its factorization.

2012142231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34547 (or 34544 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2012142231 is about 44856.9083977039. The cubic root of 2012142231 is about 1262.4656161077.

Adding to 2012142231 its reverse (1322412102), we get a palindrome (3334554333).

The spelling of 2012142231 in words is "two billion, twelve million, one hundred forty-two thousand, two hundred thirty-one".