1322021200122 has 96 divisors (see below), whose sum is σ = 3508227770112. Its totient is φ = 351532887552.

The previous prime is 1322021200081. The next prime is 1322021200187. The reversal of 1322021200122 is 2210021202231.

1322021200122 is a `hidden beast` number, since 1 + 322 + 0 + 21 + 200 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1322021200095 and 1322021200104.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6057423 + ... + 6271874.

It is an arithmetic number, because the mean of its divisors is an integer number (36544039272).

Almost surely, 2^{1322021200122} is an apocalyptic number.

1322021200122 is an abundant number, since it is smaller than the sum of its proper divisors (2186206569990).

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

1322021200122 is a wasteful number, since it uses less digits than its factorization.

1322021200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12329372 (or 12329369 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1322021200122 its reverse (2210021202231), we get a palindrome (3532042402353).

The spelling of 1322021200122 in words is "one trillion, three hundred twenty-two billion, twenty-one million, two hundred thousand, one hundred twenty-two".