212101256000452 has 96 divisors (see below), whose sum is σ = 459263239043840. Its totient is φ = 83462716846080.

The previous prime is 212101256000449. The next prime is 212101256000453. The reversal of 212101256000452 is 254000652101212.

It is not an unprimeable number, because it can be changed into a prime (212101256000453) 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, 73947568 + ... + 76762264.

Almost surely, 2^{212101256000452} 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 212101256000452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229631619521920).

212101256000452 is an abundant number, since it is smaller than the sum of its proper divisors (247161983043388).

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

212101256000452 is a wasteful number, since it uses less digits than its factorization.

212101256000452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2815821 (or 2815819 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The spelling of 212101256000452 in words is "two hundred twelve trillion, one hundred one billion, two hundred fifty-six million, four hundred fifty-two", and thus it is an aban number.