212404222321030 has 64 divisors (see below), whose sum is σ = 400216286435328. Its totient is φ = 81064425818880.

The previous prime is 212404222320971. The next prime is 212404222321037. The reversal of 212404222321030 is 30123222404212.

It is a self number, because there is not a number n which added to its sum of digits gives 212404222321030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212404222321037) 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, 58967137 + ... + 62465443.

It is an arithmetic number, because the mean of its divisors is an integer number (6253379475552).

Almost surely, 2^{212404222321030} is an apocalyptic number.

212404222321030 is a deficient number, since it is larger than the sum of its proper divisors (187812064114298).

212404222321030 is a wasteful number, since it uses less digits than its factorization.

212404222321030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3501101.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 212404222321030 its reverse (30123222404212), we get a palindrome (242527444725242).

The spelling of 212404222321030 in words is "two hundred twelve trillion, four hundred four billion, two hundred twenty-two million, three hundred twenty-one thousand, thirty".