212750205503 has 16 divisors (see below), whose sum is σ = 245572339200. Its totient is φ = 182280430080.

The previous prime is 212750205497. The next prime is 212750205527. The reversal of 212750205503 is 305502057212.

It is a cyclic number.

It is not a de Polignac number, because 212750205503 - 2²⁴ = 212733428287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212750205503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212750205203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2596823 + ... + 2677496.

It is an arithmetic number, because the mean of its divisors is an integer number (15348271200).

Almost surely, 2^212750205503 is an apocalyptic number.

212750205503 is a deficient number, since it is larger than the sum of its proper divisors (32822133697).

212750205503 is a wasteful number, since it uses less digits than its factorization.

212750205503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5274542.

The product of its (nonzero) digits is 21000, while the sum is 32.

The spelling of 212750205503 in words is "two hundred twelve billion, seven hundred fifty million, two hundred five thousand, five hundred three".