2126262512 has 20 divisors (see below), whose sum is σ = 4494146136. Its totient is φ = 966482880.

The previous prime is 2126262493. The next prime is 2126262517. The reversal of 2126262512 is 2152626212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126262517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6040343 + ... + 6040694.

Almost surely, 2^2126262512 is an apocalyptic number.

2126262512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2126262512 is an abundant number, since it is smaller than the sum of its proper divisors (2367883624).

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

2126262512 is a wasteful number, since it uses less digits than its factorization.

2126262512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12081056 (or 12081050 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 2126262512 is about 46111.4141184154. The cubic root of 2126262512 is about 1285.8953546374.

Adding to 2126262512 its reverse (2152626212), we get a palindrome (4278888724).

The spelling of 2126262512 in words is "two billion, one hundred twenty-six million, two hundred sixty-two thousand, five hundred twelve".