431402123212 has 12 divisors (see below), whose sum is σ = 755190623320. Its totient is φ = 215633373696.

The previous prime is 431402123209. The next prime is 431402123221. The reversal of 431402123212 is 212321204134.

It is a super-4 number, since 4×431402123212⁴ (a number of 48 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16907637 + ... + 16933132.

Almost surely, 2^431402123212 is an apocalyptic number.

It is an amenable number.

431402123212 is a deficient number, since it is larger than the sum of its proper divisors (323788500108).

431402123212 is a wasteful number, since it uses less digits than its factorization.

431402123212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33843960 (or 33843958 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 431402123212 its reverse (212321204134), we get a palindrome (643723327346).

The spelling of 431402123212 in words is "four hundred thirty-one billion, four hundred two million, one hundred twenty-three thousand, two hundred twelve".