1222001201002 has 16 divisors (see below), whose sum is σ = 1869022453032. Its totient is φ = 599011441600.

The previous prime is 1222001200999. The next prime is 1222001201009. The reversal of 1222001201002 is 2001021002221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 677459040241 + 544542160761 = 823079^2 + 737931^2 .

It is not an unprimeable number, because it can be changed into a prime (1222001201009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4292653 + ... + 4568464.

Almost surely, 2^{1222001201002} is an apocalyptic number.

1222001201002 is a deficient number, since it is larger than the sum of its proper divisors (647021252030).

1222001201002 is a wasteful number, since it uses less digits than its factorization.

1222001201002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8862473.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1222001201002 its reverse (2001021002221), we get a palindrome (3223022203223).

The spelling of 1222001201002 in words is "one trillion, two hundred twenty-two billion, one million, two hundred one thousand, two".