212411324202021 has 96 divisors (see below), whose sum is σ = 352448494534656. Its totient is φ = 120756232080000.

The previous prime is 212411324201963. The next prime is 212411324202211. The reversal of 212411324202021 is 120202423114212.

212411324202021 is a `hidden beast` number, since 2 + 1 + 2 + 4 + 1 + 1 + 32 + 420 + 202 + 1 = 666.

It is not a de Polignac number, because 212411324202021 - 2¹⁰ = 212411324200997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212411324282021) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21049576186 + ... + 21049586276.

It is an arithmetic number, because the mean of its divisors is an integer number (3671338484736).

Almost surely, 2^{212411324202021} is an apocalyptic number.

212411324202021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

212411324202021 is a deficient number, since it is larger than the sum of its proper divisors (140037170332635).

212411324202021 is a wasteful number, since it uses less digits than its factorization.

212411324202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12463 (or 12460 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 212411324202021 its reverse (120202423114212), we get a palindrome (332613747316233).

The spelling of 212411324202021 in words is "two hundred twelve trillion, four hundred eleven billion, three hundred twenty-four million, two hundred two thousand, twenty-one".