1122100220012 has 12 divisors (see below), whose sum is σ = 1971316147080. Its totient is φ = 558867035136.

The previous prime is 1122100220011. The next prime is 1122100220041. The reversal of 1122100220012 is 2100220012211.

It is not an unprimeable number, because it can be changed into a prime (1122100220011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545767562 + ... + 545769617.

It is an arithmetic number, because the mean of its divisors is an integer number (164276345590).

Almost surely, 2^{1122100220012} is an apocalyptic number.

It is an amenable number.

1122100220012 is a deficient number, since it is larger than the sum of its proper divisors (849215927068).

1122100220012 is a wasteful number, since it uses less digits than its factorization.

1122100220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091537440 (or 1091537438 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1122100220012 its reverse (2100220012211), we get a palindrome (3222320232223).

The spelling of 1122100220012 in words is "one trillion, one hundred twenty-two billion, one hundred million, two hundred twenty thousand, twelve".