1200122202212 has 12 divisors (see below), whose sum is σ = 2100800367036. Its totient is φ = 599893525920.

The previous prime is 1200122202193. The next prime is 1200122202221. The reversal of 1200122202212 is 2122022210021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1014097336576 + 186024865636 = 1007024^2 + 431306^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41877683 + ... + 41906330.

It is an arithmetic number, because the mean of its divisors is an integer number (175066697253).

Almost surely, 2^{1200122202212} is an apocalyptic number.

It is an amenable number.

1200122202212 is a deficient number, since it is larger than the sum of its proper divisors (900678164824).

1200122202212 is a wasteful number, since it uses less digits than its factorization.

1200122202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83787598 (or 83787596 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1200122202212 its reverse (2122022210021), we get a palindrome (3322144412233).

The spelling of 1200122202212 in words is "one trillion, two hundred billion, one hundred twenty-two million, two hundred two thousand, two hundred twelve".