212421123213004 has 48 divisors (see below), whose sum is σ = 382694659547200. Its totient is φ = 103140064751616.

The previous prime is 212421123212971. The next prime is 212421123213011. The reversal of 212421123213004 is 400312321124212.

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, 20026089 + ... + 28738240.

Almost surely, 2^{212421123213004} is an apocalyptic number.

It is an amenable number.

212421123213004 is a deficient number, since it is larger than the sum of its proper divisors (170273536334196).

212421123213004 is a wasteful number, since it uses less digits than its factorization.

212421123213004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48764642 (or 48764640 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 212421123213004 its reverse (400312321124212), we get a palindrome (612733444337216).

The spelling of 212421123213004 in words is "two hundred twelve trillion, four hundred twenty-one billion, one hundred twenty-three million, two hundred thirteen thousand, four".