255568126212 has 288 divisors, whose sum is σ = 785976871680. Its totient is φ = 71088814080.

The previous prime is 255568126211. The next prime is 255568126273. The reversal of 255568126212 is 212621865552.

255568126212 is a `hidden beast` number, since 2 + 5 + 5 + 5 + 6 + 8 + 12 + 621 + 2 = 666.

It is a super-2 number, since 2×255568126212² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (255568126211) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 239071614 + ... + 239072682.

It is an arithmetic number, because the mean of its divisors is an integer number (2729086360).

Almost surely, 2^255568126212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255568126212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392988435840).

255568126212 is an abundant number, since it is smaller than the sum of its proper divisors (530408745468).

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

255568126212 is a wasteful number, since it uses less digits than its factorization.

255568126212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993 (or 1979 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The spelling of 255568126212 in words is "two hundred fifty-five billion, five hundred sixty-eight million, one hundred twenty-six thousand, two hundred twelve".