1200123303202 has 16 divisors (see below), whose sum is σ = 1897792791552. Its totient is φ = 568349400960.

The previous prime is 1200123303199. The next prime is 1200123303209. The reversal of 1200123303202 is 2023033210021.

It is a self number, because there is not a number n which added to its sum of digits gives 1200123303202.

It is not an unprimeable number, because it can be changed into a prime (1200123303209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205920783 + ... + 205926610.

It is an arithmetic number, because the mean of its divisors is an integer number (118612049472).

Almost surely, 2^{1200123303202} is an apocalyptic number.

1200123303202 is a deficient number, since it is larger than the sum of its proper divisors (697669488350).

1200123303202 is a wasteful number, since it uses less digits than its factorization.

1200123303202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411847473.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1200123303202 its reverse (2023033210021), we get a palindrome (3223156513223).

The spelling of 1200123303202 in words is "one trillion, two hundred billion, one hundred twenty-three million, three hundred three thousand, two hundred two".