2856241212 has 96 divisors (see below), whose sum is σ = 7450410240. Its totient is φ = 844331520.

The previous prime is 2856241181. The next prime is 2856241217. The reversal of 2856241212 is 2121426582.

2856241212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2856241212² = 16316227722254457888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2856241217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1065618 + ... + 1068294.

It is an arithmetic number, because the mean of its divisors is an integer number (77608440).

Almost surely, 2^2856241212 is an apocalyptic number.

2856241212 is a gapful number since it is divisible by the number (22) 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 2856241212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3725205120).

2856241212 is an abundant number, since it is smaller than the sum of its proper divisors (4594169028).

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

2856241212 is a wasteful number, since it uses less digits than its factorization.

2856241212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891 (or 2889 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 2856241212 is about 53443.8135989564. The cubic root of 2856241212 is about 1418.8341306576.

Adding to 2856241212 its reverse (2121426582), we get a palindrome (4977667794).

The spelling of 2856241212 in words is "two billion, eight hundred fifty-six million, two hundred forty-one thousand, two hundred twelve".