212021211201 has 48 divisors (see below), whose sum is σ = 304202616000. Its totient is φ = 131316360192.

The previous prime is 212021211139. The next prime is 212021211217. The reversal of 212021211201 is 102112120212.

It is not a de Polignac number, because 212021211201 - 2¹⁷ = 212021080129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212021211301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21051795 + ... + 21061863.

It is an arithmetic number, because the mean of its divisors is an integer number (6337554500).

Almost surely, 2^212021211201 is an apocalyptic number.

It is an amenable number.

212021211201 is a deficient number, since it is larger than the sum of its proper divisors (92181404799).

212021211201 is a wasteful number, since it uses less digits than its factorization.

212021211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10418 (or 10401 counting only the distinct ones).

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

Adding to 212021211201 its reverse (102112120212), we get a palindrome (314133331413).

The spelling of 212021211201 in words is "two hundred twelve billion, twenty-one million, two hundred eleven thousand, two hundred one".