1200222203202 has 36 divisors (see below), whose sum is σ = 2858380431270. Its totient is φ = 363703697280.

The previous prime is 1200222203107. The next prime is 1200222203221. The reversal of 1200222203202 is 2023022220021.

1200222203202 is a `hidden beast` number, since 120 + 0 + 2 + 2 + 220 + 320 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1163246374521 + 36975828681 = 1078539^2 + 192291^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 275530927 + ... + 275535282.

Almost surely, 2^{1200222203202} is an apocalyptic number.

1200222203202 is an abundant number, since it is smaller than the sum of its proper divisors (1658158228068).

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

1200222203202 is a wasteful number, since it uses less digits than its factorization.

1200222203202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551066239 (or 551066225 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 1200222203202 its reverse (2023022220021), we get a palindrome (3223244423223).

The spelling of 1200222203202 in words is "one trillion, two hundred billion, two hundred twenty-two million, two hundred three thousand, two hundred two".