212459252141 has 4 divisors (see below), whose sum is σ = 212606080992. Its totient is φ = 212312423292.

The previous prime is 212459252123. The next prime is 212459252177. The reversal of 212459252141 is 141252954212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212459252141 - 2¹⁴ = 212459235757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212459252095 and 212459252104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212459282141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73412255 + ... + 73415148.

It is an arithmetic number, because the mean of its divisors is an integer number (53151520248).

Almost surely, 2^212459252141 is an apocalyptic number.

It is an amenable number.

212459252141 is a deficient number, since it is larger than the sum of its proper divisors (146828851).

212459252141 is a wasteful number, since it uses less digits than its factorization.

212459252141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146828850.

The product of its digits is 57600, while the sum is 38.

The spelling of 212459252141 in words is "two hundred twelve billion, four hundred fifty-nine million, two hundred fifty-two thousand, one hundred forty-one".