212222121012010 has 64 divisors (see below), whose sum is σ = 397348974316800. Its totient is φ = 81554337188352.

The previous prime is 212222121011993. The next prime is 212222121012029. The reversal of 212222121012010 is 10210121222212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10103950 + ... + 22946329.

It is an arithmetic number, because the mean of its divisors is an integer number (6208577723700).

Almost surely, 2^{212222121012010} is an apocalyptic number.

212222121012010 is a deficient number, since it is larger than the sum of its proper divisors (185126853304790).

212222121012010 is a wasteful number, since it uses less digits than its factorization.

212222121012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33050575.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212222121012010 its reverse (10210121222212), we get a palindrome (222432242234222).

The spelling of 212222121012010 in words is "two hundred twelve trillion, two hundred twenty-two billion, one hundred twenty-one million, twelve thousand, ten".