1220105332000 has 48 divisors (see below), whose sum is σ = 2997798810552. Its totient is φ = 488042131200.

The previous prime is 1220105331997. The next prime is 1220105332001. The reversal of 1220105332000 is 2335010221.

It can be written as a sum of positive squares in 4 ways, for example, as 366794964496 + 853310367504 = 605636^2 + 923748^2 .

It is not an unprimeable number, because it can be changed into a prime (1220105332001) 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, 152509167 + ... + 152517166.

Almost surely, 2^{1220105332000} is an apocalyptic number.

1220105332000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220105332000 is an abundant number, since it is smaller than the sum of its proper divisors (1777693478552).

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

1220105332000 is an equidigital number, since it uses as much as digits as its factorization.

1220105332000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305026358 (or 305026340 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The spelling of 1220105332000 in words is "one trillion, two hundred twenty billion, one hundred five million, three hundred thirty-two thousand".