212201010012021 has 16 divisors (see below), whose sum is σ = 297856280491200. Its totient is φ = 134008054846848.

The previous prime is 212201010011987. The next prime is 212201010012091. The reversal of 212201010012021 is 120210010102212.

It is not a de Polignac number, because 212201010012021 - 2⁴¹ = 210001986756469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212201010012091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188819376 + ... + 189939881.

It is an arithmetic number, because the mean of its divisors is an integer number (18616017530700).

Almost surely, 2^{212201010012021} is an apocalyptic number.

It is an amenable number.

212201010012021 is a deficient number, since it is larger than the sum of its proper divisors (85655270479179).

212201010012021 is a wasteful number, since it uses less digits than its factorization.

212201010012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378769108.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212201010012021 its reverse (120210010102212), we get a palindrome (332411020114233).

The spelling of 212201010012021 in words is "two hundred twelve trillion, two hundred one billion, ten million, twelve thousand, twenty-one".