1222122020002 has 16 divisors (see below), whose sum is σ = 1974511885752. Its totient is φ = 563966380800.

The previous prime is 1222122019999. The next prime is 1222122020011. The reversal of 1222122020002 is 2000202212221.

It can be written as a sum of positive squares in 4 ways, for example, as 1114230136041 + 107891883961 = 1055571^2 + 328469^2 .

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, 3580999 + ... + 3907402.

Almost surely, 2^{1222122020002} is an apocalyptic number.

1222122020002 is a deficient number, since it is larger than the sum of its proper divisors (752389865750).

1222122020002 is a wasteful number, since it uses less digits than its factorization.

1222122020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7494693.

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

Adding to 1222122020002 its reverse (2000202212221), we get a palindrome (3222324232223).

The spelling of 1222122020002 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-two million, twenty thousand, two".