4261252212 has 120 divisors (see below), whose sum is σ = 12773464704. Its totient is φ = 1213455168.

The previous prime is 4261252183. The next prime is 4261252231. The reversal of 4261252212 is 2122521624.

4261252212 is a `hidden beast` number, since 42 + 612 + 5 + 2 + 2 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 715993 + ... + 721919.

Almost surely, 2^4261252212 is an apocalyptic number.

4261252212 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4261252212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6386732352).

4261252212 is an abundant number, since it is smaller than the sum of its proper divisors (8512212492).

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

4261252212 is a wasteful number, since it uses less digits than its factorization.

4261252212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6267 (or 6256 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 4261252212 is about 65278.2675321581. The cubic root of 4261252212 is about 1621.2341624216.

Adding to 4261252212 its reverse (2122521624), we get a palindrome (6383773836).

The spelling of 4261252212 in words is "four billion, two hundred sixty-one million, two hundred fifty-two thousand, two hundred twelve".