202120222012 has 48 divisors (see below), whose sum is σ = 367939877760. Its totient is φ = 97034337792.

The previous prime is 202120222009. The next prime is 202120222019. The reversal of 202120222012 is 210222021202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202120222019) 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, 23699293 + ... + 23707819.

It is an arithmetic number, because the mean of its divisors is an integer number (7665414120).

Almost surely, 2^202120222012 is an apocalyptic number.

It is an amenable number.

202120222012 is a deficient number, since it is larger than the sum of its proper divisors (165819655748).

202120222012 is a wasteful number, since it uses less digits than its factorization.

202120222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9670 (or 9668 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 202120222012 its reverse (210222021202), we get a palindrome (412342243214).

The spelling of 202120222012 in words is "two hundred two billion, one hundred twenty million, two hundred twenty-two thousand, twelve".