212032431402 has 32 divisors (see below), whose sum is σ = 463178442240. Its totient is φ = 64174164720.

The previous prime is 212032431329. The next prime is 212032431421. The reversal of 212032431402 is 204134230212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1897452 + ... + 2006087.

It is an arithmetic number, because the mean of its divisors is an integer number (14474326320).

Almost surely, 2^212032431402 is an apocalyptic number.

212032431402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212032431402 is an abundant number, since it is smaller than the sum of its proper divisors (251146010838).

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

212032431402 is a wasteful number, since it uses less digits than its factorization.

212032431402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3904378.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 212032431402 its reverse (204134230212), we get a palindrome (416166661614).

The spelling of 212032431402 in words is "two hundred twelve billion, thirty-two million, four hundred thirty-one thousand, four hundred two".