212435252134 has 16 divisors (see below), whose sum is σ = 385596760608. Its totient is φ = 85688168832.

The previous prime is 212435252129. The next prime is 212435252147. The reversal of 212435252134 is 431252534212.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 212435252134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446292309 + ... + 446292784.

It is an arithmetic number, because the mean of its divisors is an integer number (24099797538).

Almost surely, 2^212435252134 is an apocalyptic number.

212435252134 is a deficient number, since it is larger than the sum of its proper divisors (173161508474).

212435252134 is a wasteful number, since it uses less digits than its factorization.

212435252134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892585119.

The product of its digits is 57600, while the sum is 34.

Adding to 212435252134 its reverse (431252534212), we get a palindrome (643687786346).

The spelling of 212435252134 in words is "two hundred twelve billion, four hundred thirty-five million, two hundred fifty-two thousand, one hundred thirty-four".