1322220020212 has 48 divisors (see below), whose sum is σ = 2848464424960. Its totient is φ = 522964760832.

The previous prime is 1322220020197. The next prime is 1322220020221. The reversal of 1322220020212 is 2120200222231.

It is a self number, because there is not a number n which added to its sum of digits gives 1322220020212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1337293 + ... + 2105419.

Almost surely, 2^{1322220020212} is an apocalyptic number.

It is an amenable number.

1322220020212 is an abundant number, since it is smaller than the sum of its proper divisors (1526244404748).

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

1322220020212 is a wasteful number, since it uses less digits than its factorization.

1322220020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772880 (or 772878 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 1322220020212 its reverse (2120200222231), we get a palindrome (3442420242443).

The spelling of 1322220020212 in words is "one trillion, three hundred twenty-two billion, two hundred twenty million, twenty thousand, two hundred twelve".