212120022201010 has 64 divisors (see below), whose sum is σ = 501084618439680. Its totient is φ = 62635577296320.

The previous prime is 212120022200987. The next prime is 212120022201011. The reversal of 212120022201010 is 10102220021212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (212120022201011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7249473484 + ... + 7249502743.

It is an arithmetic number, because the mean of its divisors is an integer number (7829447163120).

Almost surely, 2^{212120022201010} is an apocalyptic number.

212120022201010 is an abundant number, since it is smaller than the sum of its proper divisors (288964596238670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212120022201010 is a wasteful number, since it uses less digits than its factorization.

212120022201010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14498976271.

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

Adding to 212120022201010 its reverse (10102220021212), we get a palindrome (222222242222222).

The spelling of 212120022201010 in words is "two hundred twelve trillion, one hundred twenty billion, twenty-two million, two hundred one thousand, ten".