1212222010122 has 32 divisors (see below), whose sum is σ = 2852287084800. Its totient is φ = 380304944064.

The previous prime is 1212222010099. The next prime is 1212222010183. The reversal of 1212222010122 is 2210102222121.

It is a happy number.

1212222010122 is a `hidden beast` number, since 121 + 222 + 201 + 0 + 122 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1212222010095 and 1212222010104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 660250722 + ... + 660252557.

It is an arithmetic number, because the mean of its divisors is an integer number (89133971400).

Almost surely, 2^{1212222010122} is an apocalyptic number.

1212222010122 is an abundant number, since it is smaller than the sum of its proper divisors (1640065074678).

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

1212222010122 is a wasteful number, since it uses less digits than its factorization.

1212222010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320503307 (or 1320503301 counting only the distinct ones).

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

Adding to 1212222010122 its reverse (2210102222121), we get a palindrome (3422324232243).

The spelling of 1212222010122 in words is "one trillion, two hundred twelve billion, two hundred twenty-two million, ten thousand, one hundred twenty-two".