212524545121 has 16 divisors (see below), whose sum is σ = 246758688000. Its totient is φ = 179281211328.

The previous prime is 212524545119. The next prime is 212524545133. The reversal of 212524545121 is 121545425212.

It is a cyclic number.

It is not a de Polignac number, because 212524545121 - 2¹ = 212524545119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212524540121) 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, 821005 + ... + 1048378.

It is an arithmetic number, because the mean of its divisors is an integer number (15422418000).

Almost surely, 2^212524545121 is an apocalyptic number.

It is an amenable number.

212524545121 is a deficient number, since it is larger than the sum of its proper divisors (34234142879).

212524545121 is a wasteful number, since it uses less digits than its factorization.

212524545121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869648.

The product of its digits is 32000, while the sum is 34.

The spelling of 212524545121 in words is "two hundred twelve billion, five hundred twenty-four million, five hundred forty-five thousand, one hundred twenty-one".