212431034402 has 32 divisors (see below), whose sum is σ = 343278059520. Its totient is φ = 98267858640.

The previous prime is 212431034401. The next prime is 212431034419. The reversal of 212431034402 is 204430134212.

It is not an unprimeable number, because it can be changed into a prime (212431034401) 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, 18084143 + ... + 18095885.

It is an arithmetic number, because the mean of its divisors is an integer number (10727439360).

Almost surely, 2^212431034402 is an apocalyptic number.

212431034402 is a deficient number, since it is larger than the sum of its proper divisors (130847025118).

212431034402 is a wasteful number, since it uses less digits than its factorization.

212431034402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22878.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 212431034402 its reverse (204430134212), we get a palindrome (416861168614).

The spelling of 212431034402 in words is "two hundred twelve billion, four hundred thirty-one million, thirty-four thousand, four hundred two".