1220213313002 has 16 divisors (see below), whose sum is σ = 2004812949960. Its totient is φ = 554417407488.

The previous prime is 1220213312881. The next prime is 1220213313091. The reversal of 1220213313002 is 2003133120221.

It can be written as a sum of positive squares in 4 ways, for example, as 898042417801 + 322170895201 = 947651^2 + 567601^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 618768443 + ... + 618770414.

Almost surely, 2^{1220213313002} is an apocalyptic number.

1220213313002 is a deficient number, since it is larger than the sum of its proper divisors (784599636958).

1220213313002 is a wasteful number, since it uses less digits than its factorization.

1220213313002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237538905.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1220213313002 its reverse (2003133120221), we get a palindrome (3223346433223).

The spelling of 1220213313002 in words is "one trillion, two hundred twenty billion, two hundred thirteen million, three hundred thirteen thousand, two".