1220222012002 has 32 divisors (see below), whose sum is σ = 2202004529280. Its totient is φ = 495405953280.

The previous prime is 1220222011993. The next prime is 1220222012147. The reversal of 1220222012002 is 2002102220221.

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, 6552052 + ... + 6735712.

It is an arithmetic number, because the mean of its divisors is an integer number (68812641540).

Almost surely, 2^{1220222012002} is an apocalyptic number.

1220222012002 is a deficient number, since it is larger than the sum of its proper divisors (981782517278).

1220222012002 is a wasteful number, since it uses less digits than its factorization.

1220222012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208666.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1220222012002 its reverse (2002102220221), we get a palindrome (3222324232223).

The spelling of 1220222012002 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, twelve thousand, two".