212222123100030 has 16 divisors (see below), whose sum is σ = 509333095440144. Its totient is φ = 56592566160000.

The previous prime is 212222123099977. The next prime is 212222123100059. The reversal of 212222123100030 is 30001321222212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3537035384971 + ... + 3537035385030.

It is an arithmetic number, because the mean of its divisors is an integer number (31833318465009).

Almost surely, 2^{212222123100030} is an apocalyptic number.

212222123100030 is an abundant number, since it is smaller than the sum of its proper divisors (297110972340114).

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

212222123100030 is a wasteful number, since it uses less digits than its factorization.

212222123100030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7074070770011.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212222123100030 its reverse (30001321222212), we get a palindrome (242223444322242).

The spelling of 212222123100030 in words is "two hundred twelve trillion, two hundred twenty-two billion, one hundred twenty-three million, one hundred thousand, thirty".