2012122431 has 48 divisors (see below), whose sum is σ = 3469384800. Its totient is φ = 1147703040.

The previous prime is 2012122429. The next prime is 2012122447. The reversal of 2012122431 is 1342212102.

It is a happy number.

2012122431 is a `hidden beast` number, since 20 + 1 + 212 + 2 + 431 = 666.

It is not a de Polignac number, because 2012122431 - 2¹ = 2012122429 is a prime.

It is a super-2 number, since 2×2012122431² = 8097273354666699522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012122031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37425 + ... + 73653.

It is an arithmetic number, because the mean of its divisors is an integer number (72278850).

Almost surely, 2^2012122431 is an apocalyptic number.

2012122431 is a deficient number, since it is larger than the sum of its proper divisors (1457262369).

2012122431 is a wasteful number, since it uses less digits than its factorization.

2012122431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36277 (or 36260 counting only the distinct ones).

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

The square root of 2012122431 is about 44856.6876953705. The cubic root of 2012122431 is about 1262.4614750980.

Adding to 2012122431 its reverse (1342212102), we get a palindrome (3354334533).

The spelling of 2012122431 in words is "two billion, twelve million, one hundred twenty-two thousand, four hundred thirty-one".