2021210202212 has 12 divisors (see below), whose sum is σ = 3690905586816. Its totient is φ = 966665748840.

The previous prime is 2021210202161. The next prime is 2021210202223. The reversal of 2021210202212 is 2122020121202.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10984837964 + ... + 10984838147.

It is an arithmetic number, because the mean of its divisors is an integer number (307575465568).

Almost surely, 2^{2021210202212} is an apocalyptic number.

It is an amenable number.

2021210202212 is a deficient number, since it is larger than the sum of its proper divisors (1669695384604).

2021210202212 is a wasteful number, since it uses less digits than its factorization.

2021210202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21969676138 (or 21969676136 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2021210202212 its reverse (2122020121202), we get a palindrome (4143230323414).

The spelling of 2021210202212 in words is "two trillion, twenty-one billion, two hundred ten million, two hundred two thousand, two hundred twelve".