1200211022212 has 6 divisors (see below), whose sum is σ = 2100369288878. Its totient is φ = 600105511104.

The previous prime is 1200211022209. The next prime is 1200211022221. The reversal of 1200211022212 is 2122201120021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 896021269056 + 304189753156 = 946584^2 + 551534^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150026377773 + ... + 150026377780.

Almost surely, 2^{1200211022212} is an apocalyptic number.

It is an amenable number.

1200211022212 is a deficient number, since it is larger than the sum of its proper divisors (900158266666).

1200211022212 is a wasteful number, since it uses less digits than its factorization.

1200211022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300052755557 (or 300052755555 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1200211022212 its reverse (2122201120021), we get a palindrome (3322412142233).

The spelling of 1200211022212 in words is "one trillion, two hundred billion, two hundred eleven million, twenty-two thousand, two hundred twelve".