1220012022212 has 48 divisors (see below), whose sum is σ = 2207272032000. Its totient is φ = 589787034144.

The previous prime is 1220012022211. The next prime is 1220012022217. The reversal of 1220012022212 is 2122202100221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1220012022211) 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, 3336239 + ... + 3683817.

It is an arithmetic number, because the mean of its divisors is an integer number (45984834000).

Almost surely, 2^{1220012022212} is an apocalyptic number.

It is an amenable number.

1220012022212 is a deficient number, since it is larger than the sum of its proper divisors (987260009788).

1220012022212 is a wasteful number, since it uses less digits than its factorization.

1220012022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347888 (or 347886 counting only the distinct ones).

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

Adding to 1220012022212 its reverse (2122202100221), we get a palindrome (3342214122433).

The spelling of 1220012022212 in words is "one trillion, two hundred twenty billion, twelve million, twenty-two thousand, two hundred twelve".