1220212010222 has 16 divisors (see below), whose sum is σ = 1885797858672. Its totient is φ = 591784754880.

The previous prime is 1220212010189. The next prime is 1220212010261. The reversal of 1220212010222 is 2220102120221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1220212010222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42993428 + ... + 43021799.

It is an arithmetic number, because the mean of its divisors is an integer number (117862366167).

Almost surely, 2^{1220212010222} is an apocalyptic number.

1220212010222 is a deficient number, since it is larger than the sum of its proper divisors (665585848450).

1220212010222 is a wasteful number, since it uses less digits than its factorization.

1220212010222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86015443.

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

Adding to 1220212010222 its reverse (2220102120221), we get a palindrome (3440314130443).

The spelling of 1220212010222 in words is "one trillion, two hundred twenty billion, two hundred twelve million, ten thousand, two hundred twenty-two".