1200231322002 has 40 divisors (see below), whose sum is σ = 2699871934716. Its totient is φ = 398520373248.

The previous prime is 1200231321979. The next prime is 1200231322009. The reversal of 1200231322002 is 2002231320021.

1200231322002 is a `hidden beast` number, since 1 + 200 + 231 + 32 + 200 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1029735828081 + 170495493921 = 1014759^2 + 412911^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1200231322009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14372443 + ... + 14455710.

Almost surely, 2^{1200231322002} is an apocalyptic number.

1200231322002 is an abundant number, since it is smaller than the sum of its proper divisors (1499640612714).

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

1200231322002 is a wasteful number, since it uses less digits than its factorization.

1200231322002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28828424 (or 28828415 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1200231322002 its reverse (2002231320021), we get a palindrome (3202462642023).

The spelling of 1200231322002 in words is "one trillion, two hundred billion, two hundred thirty-one million, three hundred twenty-two thousand, two".