212020001211 has 16 divisors (see below), whose sum is σ = 290544139808. Its totient is φ = 137426803200.

The previous prime is 212020001191. The next prime is 212020001231. The reversal of 212020001211 is 112100020212.

It is an interprime number because it is at equal distance from previous prime (212020001191) and next prime (212020001231).

It is not a de Polignac number, because 212020001211 - 2¹⁵ = 212019968443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212020001231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538270 + ... + 844851.

It is an arithmetic number, because the mean of its divisors is an integer number (18159008738).

Almost surely, 2^212020001211 is an apocalyptic number.

212020001211 is a deficient number, since it is larger than the sum of its proper divisors (78524138597).

212020001211 is a wasteful number, since it uses less digits than its factorization.

212020001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384542.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 212020001211 its reverse (112100020212), we get a palindrome (324120021423).

It can be divided in two parts, 212020001 and 211, that added together give a palindrome (212020212).

The spelling of 212020001211 in words is "two hundred twelve billion, twenty million, one thousand, two hundred eleven".