1220022122002 has 32 divisors (see below), whose sum is σ = 1889900054784. Its totient is φ = 590308992000.

The previous prime is 1220022121993. The next prime is 1220022122003. The reversal of 1220022122002 is 2002212200221.

It is not an unprimeable number, because it can be changed into a prime (1220022122003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8259883 + ... + 8406289.

It is an arithmetic number, because the mean of its divisors is an integer number (59059376712).

Almost surely, 2^{1220022122002} is an apocalyptic number.

1220022122002 is a deficient number, since it is larger than the sum of its proper divisors (669877932782).

1220022122002 is a wasteful number, since it uses less digits than its factorization.

1220022122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147274.

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

Adding to 1220022122002 its reverse (2002212200221), we get a palindrome (3222234322223).

It can be divided in two parts, 122002 and 2122002, that added together give a square (2244004 = 1498²).

The spelling of 1220022122002 in words is "one trillion, two hundred twenty billion, twenty-two million, one hundred twenty-two thousand, two".