1022122210212 has 48 divisors (see below), whose sum is σ = 2675674135680. Its totient is φ = 337399560864.

The previous prime is 1022122210199. The next prime is 1022122210217. The reversal of 1022122210212 is 2120122212201.

It is a happy number.

1022122210212 is a `hidden beast` number, since 1 + 0 + 221 + 22 + 210 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1022122210217) 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, 45931083 + ... + 45953330.

It is an arithmetic number, because the mean of its divisors is an integer number (55743211160).

Almost surely, 2^{1022122210212} is an apocalyptic number.

1022122210212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1022122210212 is an abundant number, since it is smaller than the sum of its proper divisors (1653551925468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022122210212 is a wasteful number, since it uses less digits than its factorization.

1022122210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91884529 (or 91884521 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1022122210212 its reverse (2120122212201), we get a palindrome (3142244422413).

The spelling of 1022122210212 in words is "one trillion, twenty-two billion, one hundred twenty-two million, two hundred ten thousand, two hundred twelve".