212210222021210 has 16 divisors (see below), whose sum is σ = 436546742443776. Its totient is φ = 72757790407248.

The previous prime is 212210222021191. The next prime is 212210222021219. The reversal of 212210222021210 is 12120222012212.

It is not an unprimeable number, because it can be changed into a prime (212210222021219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1515787300082 + ... + 1515787300221.

It is an arithmetic number, because the mean of its divisors is an integer number (27284171402736).

Almost surely, 2^{212210222021210} is an apocalyptic number.

212210222021210 is an abundant number, since it is smaller than the sum of its proper divisors (224336520422566).

212210222021210 is a wasteful number, since it uses less digits than its factorization.

212210222021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3031574600317.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 212210222021210 its reverse (12120222012212), we get a palindrome (224330444033422).

The spelling of 212210222021210 in words is "two hundred twelve trillion, two hundred ten billion, two hundred twenty-two million, twenty-one thousand, two hundred ten".