1220122222002 has 16 divisors (see below), whose sum is σ = 2711382715680. Its totient is φ = 406707407316.

The previous prime is 1220122221991. The next prime is 1220122222079. The reversal of 1220122222002 is 2002222210221.

1220122222002 is a `hidden beast` number, since 1 + 220 + 1 + 222 + 220 + 0 + 2 = 666.

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

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, 11297427928 + ... + 11297428035.

It is an arithmetic number, because the mean of its divisors is an integer number (169461419730).

Almost surely, 2^{1220122222002} is an apocalyptic number.

1220122222002 is an abundant number, since it is smaller than the sum of its proper divisors (1491260493678).

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

1220122222002 is a wasteful number, since it uses less digits than its factorization.

1220122222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22594855974 (or 22594855968 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 1220122222002 its reverse (2002222210221), we get a palindrome (3222344432223).

The spelling of 1220122222002 in words is "one trillion, two hundred twenty billion, one hundred twenty-two million, two hundred twenty-two thousand, two".