1220033011002 has 64 divisors (see below), whose sum is σ = 2783381336064. Its totient is φ = 353180206080.

The previous prime is 1220033010991. The next prime is 1220033011009. The reversal of 1220033011002 is 2001103300221.

It is not an unprimeable number, because it can be changed into a prime (1220033011009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3391752 + ... + 3734172.

It is an arithmetic number, because the mean of its divisors is an integer number (43490333376).

Almost surely, 2^{1220033011002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1220033011002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1391690668032).

1220033011002 is an abundant number, since it is smaller than the sum of its proper divisors (1563348325062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220033011002 is a wasteful number, since it uses less digits than its factorization.

1220033011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345143.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1220033011002 its reverse (2001103300221), we get a palindrome (3221136311223).

The spelling of 1220033011002 in words is "one trillion, two hundred twenty billion, thirty-three million, eleven thousand, two".