2012268421 has 4 divisors (see below), whose sum is σ = 2066654092. Its totient is φ = 1957882752.

The previous prime is 2012268403. The next prime is 2012268469. The reversal of 2012268421 is 1248622102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 695376900 + 1316891521 = 26370^2 + 36289^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012268421 - 2²⁷ = 1878050693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2012268421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012268221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27192780 + ... + 27192853.

It is an arithmetic number, because the mean of its divisors is an integer number (516663523).

Almost surely, 2^2012268421 is an apocalyptic number.

It is an amenable number.

2012268421 is a deficient number, since it is larger than the sum of its proper divisors (54385671).

2012268421 is an equidigital number, since it uses as much as digits as its factorization.

2012268421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54385670.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 2012268421 is about 44858.3149594365. The cubic root of 2012268421 is about 1262.4920070860.

It can be divided in two parts, 201 and 2268421, that added together give a palindrome (2268622).

The spelling of 2012268421 in words is "two billion, twelve million, two hundred sixty-eight thousand, four hundred twenty-one".