212214321330 has 128 divisors (see below), whose sum is σ = 557976335616. Its totient is φ = 51227827200.

The previous prime is 212214321323. The next prime is 212214321391. The reversal of 212214321330 is 33123412212.

It is a self number, because there is not a number n which added to its sum of digits gives 212214321330.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 107558224 + ... + 107560196.

It is an arithmetic number, because the mean of its divisors is an integer number (4359190122).

Almost surely, 2^212214321330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212214321330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278988167808).

212214321330 is an abundant number, since it is smaller than the sum of its proper divisors (345762014286).

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

212214321330 is a wasteful number, since it uses less digits than its factorization.

212214321330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3212.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 212214321330 its reverse (33123412212), we get a palindrome (245337733542).

The spelling of 212214321330 in words is "two hundred twelve billion, two hundred fourteen million, three hundred twenty-one thousand, three hundred thirty".