1122200020012 has 48 divisors (see below), whose sum is σ = 2129294675200. Its totient is φ = 515767694400.

The previous prime is 1122200020009. The next prime is 1122200020013. The reversal of 1122200020012 is 2100200022211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1122200019974 and 1122200020001.

It is not an unprimeable number, because it can be changed into a prime (1122200020013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 643587 + ... + 1630522.

Almost surely, 2^{1122200020012} is an apocalyptic number.

It is an amenable number.

1122200020012 is a deficient number, since it is larger than the sum of its proper divisors (1007094655188).

1122200020012 is a wasteful number, since it uses less digits than its factorization.

1122200020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274326 (or 2274324 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1122200020012 its reverse (2100200022211), we get a palindrome (3222400042223).

The spelling of 1122200020012 in words is "one trillion, one hundred twenty-two billion, two hundred million, twenty thousand, twelve".