2021201210212 has 24 divisors (see below), whose sum is σ = 3745455600600. Its totient is φ = 951080202240.

The previous prime is 2021201210207. The next prime is 2021201210227. The reversal of 2021201210212 is 2120121021202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 435631680576 + 1585569529636 = 660024^2 + 1259194^2 .

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, 251589 + ... + 2026252.

It is an arithmetic number, because the mean of its divisors is an integer number (156060650025).

Almost surely, 2^{2021201210212} is an apocalyptic number.

It is an amenable number.

2021201210212 is a deficient number, since it is larger than the sum of its proper divisors (1724254390388).

2021201210212 is a wasteful number, since it uses less digits than its factorization.

2021201210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290911 (or 2290909 counting only the distinct ones).

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

Adding to 2021201210212 its reverse (2120121021202), we get a palindrome (4141322231414).

The spelling of 2021201210212 in words is "two trillion, twenty-one billion, two hundred one million, two hundred ten thousand, two hundred twelve".