1000220012032 has 160 divisors (see below), whose sum is σ = 2260685306880. Its totient is φ = 439258152960.

The previous prime is 1000220011969. The next prime is 1000220012039. The reversal of 1000220012032 is 2302100220001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000220012039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11035057 + ... + 11125327.

It is an arithmetic number, because the mean of its divisors is an integer number (14129283168).

Almost surely, 2^{1000220012032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000220012032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1130342653440).

1000220012032 is an abundant number, since it is smaller than the sum of its proper divisors (1260465294848).

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

1000220012032 is an equidigital number, since it uses as much as digits as its factorization.

1000220012032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90392 (or 90376 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 1000220012032 its reverse (2302100220001), we get a palindrome (3302320232033).

The spelling of 1000220012032 in words is "one trillion, two hundred twenty million, twelve thousand, thirty-two".