1321200301122 has 64 divisors (see below), whose sum is σ = 3162831504000. Its totient is φ = 406396574784.

The previous prime is 1321200301103. The next prime is 1321200301129. The reversal of 1321200301122 is 2211030021231.

1321200301122 is a `hidden beast` number, since 1 + 321 + 20 + 0 + 301 + 1 + 22 = 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 = 1321200301095 and 1321200301104.

It is not an unprimeable number, because it can be changed into a prime (1321200301129) 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, 1975329 + ... + 2558187.

It is an arithmetic number, because the mean of its divisors is an integer number (49419242250).

Almost surely, 2^{1321200301122} is an apocalyptic number.

1321200301122 is an abundant number, since it is smaller than the sum of its proper divisors (1841631202878).

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

1321200301122 is a wasteful number, since it uses less digits than its factorization.

1321200301122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586112 (or 586106 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1321200301122 its reverse (2211030021231), we get a palindrome (3532230322353).

The spelling of 1321200301122 in words is "one trillion, three hundred twenty-one billion, two hundred million, three hundred one thousand, one hundred twenty-two".