1222001010002 has 4 divisors (see below), whose sum is σ = 1833001515006. Its totient is φ = 611000505000.

The previous prime is 1222001009987. The next prime is 1222001010049. The reversal of 1222001010002 is 2000101002221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1204482105121 + 17518904881 = 1097489^2 + 132359^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305500252499 + ... + 305500252502.

Almost surely, 2^{1222001010002} is an apocalyptic number.

1222001010002 is a deficient number, since it is larger than the sum of its proper divisors (611000505004).

1222001010002 is an equidigital number, since it uses as much as digits as its factorization.

1222001010002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611000505003.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1222001010002 its reverse (2000101002221), we get a palindrome (3222102012223).

The spelling of 1222001010002 in words is "one trillion, two hundred twenty-two billion, one million, ten thousand, two".