1200122221302 has 48 divisors (see below), whose sum is σ = 2684779868160. Its totient is φ = 387044535600.

The previous prime is 1200122221301. The next prime is 1200122221313. The reversal of 1200122221302 is 2031222210021.

1200122221302 is a `hidden beast` number, since 1 + 20 + 0 + 122 + 221 + 302 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200122221301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2124027 + ... + 2629017.

It is an arithmetic number, because the mean of its divisors is an integer number (55932913920).

Almost surely, 2^{1200122221302} is an apocalyptic number.

1200122221302 is an abundant number, since it is smaller than the sum of its proper divisors (1484657646858).

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

1200122221302 is a wasteful number, since it uses less digits than its factorization.

1200122221302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509289 (or 509286 counting only the distinct ones).

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

Adding to 1200122221302 its reverse (2031222210021), we get a palindrome (3231344431323).

The spelling of 1200122221302 in words is "one trillion, two hundred billion, one hundred twenty-two million, two hundred twenty-one thousand, three hundred two".