212431145430 has 64 divisors (see below), whose sum is σ = 585687403008. Its totient is φ = 48304097280.

The previous prime is 212431145417. The next prime is 212431145431. The reversal of 212431145430 is 34541134212.

212431145430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212431145431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2580136 + ... + 2661195.

It is an arithmetic number, because the mean of its divisors is an integer number (9151365672).

Almost surely, 2^212431145430 is an apocalyptic number.

212431145430 is an abundant number, since it is smaller than the sum of its proper divisors (373256257578).

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

212431145430 is a wasteful number, since it uses less digits than its factorization.

212431145430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5241541.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 212431145430 its reverse (34541134212), we get a palindrome (246972279642).

The spelling of 212431145430 in words is "two hundred twelve billion, four hundred thirty-one million, one hundred forty-five thousand, four hundred thirty".