1122112200212 has 6 divisors (see below), whose sum is σ = 1963696350378. Its totient is φ = 561056100104.

The previous prime is 1122112200211. The next prime is 1122112200233. The reversal of 1122112200212 is 2120022112211.

It can be written as a sum of positive squares in only one way, i.e., 1093856607376 + 28255592836 = 1045876^2 + 168094^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122112200211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140264025023 + ... + 140264025030.

It is an arithmetic number, because the mean of its divisors is an integer number (327282725063).

Almost surely, 2^{1122112200212} is an apocalyptic number.

It is an amenable number.

1122112200212 is a deficient number, since it is larger than the sum of its proper divisors (841584150166).

1122112200212 is a wasteful number, since it uses less digits than its factorization.

1122112200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280528050057 (or 280528050055 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1122112200212 its reverse (2120022112211), we get a palindrome (3242134312423).

The spelling of 1122112200212 in words is "one trillion, one hundred twenty-two billion, one hundred twelve million, two hundred thousand, two hundred twelve".