212201010012004 has 24 divisors (see below), whose sum is σ = 406473309222008. Its totient is φ = 96333371504640.

The previous prime is 212201010011987. The next prime is 212201010012091. The reversal of 212201010012004 is 400210010102212.

It can be written as a sum of positive squares in 4 ways, for example, as 12091976931904 + 200109033080100 = 3477352^2 + 14145990^2 .

It is a super-2 number, since 2×212201010012004² (a number of 29 digits) contains 22 as substring.

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, 33449084157 + ... + 33449090500.

Almost surely, 2^{212201010012004} is an apocalyptic number.

It is an amenable number.

212201010012004 is a deficient number, since it is larger than the sum of its proper divisors (194272299210004).

212201010012004 is a wasteful number, since it uses less digits than its factorization.

212201010012004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66898174735 (or 66898174733 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212201010012004 its reverse (400210010102212), we get a palindrome (612411020114216).

The spelling of 212201010012004 in words is "two hundred twelve trillion, two hundred one billion, ten million, twelve thousand, four".