1202210212221 has 12 divisors (see below), whose sum is σ = 1812026986848. Its totient is φ = 766626801864.

The previous prime is 1202210212213. The next prime is 1202210212237. The reversal of 1202210212221 is 1222120122021.

It is a happy number.

1202210212221 is a `hidden beast` number, since 1 + 20 + 2 + 210 + 212 + 221 = 666.

It is not a de Polignac number, because 1202210212221 - 2³ = 1202210212213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1202210212194 and 1202210212203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202210212421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2903889195 + ... + 2903889608.

It is an arithmetic number, because the mean of its divisors is an integer number (151002248904).

Almost surely, 2^{1202210212221} is an apocalyptic number.

It is an amenable number.

1202210212221 is a deficient number, since it is larger than the sum of its proper divisors (609816774627).

1202210212221 is a wasteful number, since it uses less digits than its factorization.

1202210212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5807778832 (or 5807778829 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1202210212221 its reverse (1222120122021), we get a palindrome (2424330334242).

The spelling of 1202210212221 in words is "one trillion, two hundred two billion, two hundred ten million, two hundred twelve thousand, two hundred twenty-one".