212220312003330 has 64 divisors (see below), whose sum is σ = 510111491097600. Its totient is φ = 56505115941120.

The previous prime is 212220312003313. The next prime is 212220312003367. The reversal of 212220312003330 is 33300213022212.

It is a self number, because there is not a number n which added to its sum of digits gives 212220312003330.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1043729716 + ... + 1043933024.

It is an arithmetic number, because the mean of its divisors is an integer number (7970492048400).

Almost surely, 2^{212220312003330} is an apocalyptic number.

212220312003330 is an abundant number, since it is smaller than the sum of its proper divisors (297891179094270).

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

212220312003330 is a wasteful number, since it uses less digits than its factorization.

212220312003330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256619.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 212220312003330 its reverse (33300213022212), we get a palindrome (245520525025542).

The spelling of 212220312003330 in words is "two hundred twelve trillion, two hundred twenty billion, three hundred twelve million, three thousand, three hundred thirty".