1200122102322 has 72 divisors (see below), whose sum is σ = 3077999183532. Its totient is φ = 335698482240.

The previous prime is 1200122102321. The next prime is 1200122102329. The reversal of 1200122102322 is 2232012210021.

1200122102322 is a `hidden beast` number, since 120 + 0 + 1 + 221 + 0 + 2 + 322 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1157132641401 + 42989460921 = 1075701^2 + 207339^2 .

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 = 1200122102295 and 1200122102304.

It is not an unprimeable number, because it can be changed into a prime (1200122102321) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21164773 + ... + 21221400.

Almost surely, 2^{1200122102322} is an apocalyptic number.

1200122102322 is an abundant number, since it is smaller than the sum of its proper divisors (1877877081210).

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

1200122102322 is a wasteful number, since it uses less digits than its factorization.

1200122102322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42386216 (or 42386202 counting only the distinct ones).

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

Adding to 1200122102322 its reverse (2232012210021), we get a palindrome (3432134312343).

The spelling of 1200122102322 in words is "one trillion, two hundred billion, one hundred twenty-two million, one hundred two thousand, three hundred twenty-two".