1032011312220 has 144 divisors (see below), whose sum is σ = 3600427416768. Its totient is φ = 234385781760.

The previous prime is 1032011312197. The next prime is 1032011312257. The reversal of 1032011312220 is 222131102301.

1032011312220 is a `hidden beast` number, since 1 + 0 + 320 + 11 + 312 + 2 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1032011312193 and 1032011312202.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 2410641 + ... + 2806280.

It is an arithmetic number, because the mean of its divisors is an integer number (25002968172).

Almost surely, 2^{1032011312220} is an apocalyptic number.

1032011312220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1032011312220 is an abundant number, since it is smaller than the sum of its proper divisors (2568416104548).

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

1032011312220 is a wasteful number, since it uses less digits than its factorization.

1032011312220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5217100 (or 5217095 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1032011312220 its reverse (222131102301), we get a palindrome (1254142414521).

The spelling of 1032011312220 in words is "one trillion, thirty-two billion, eleven million, three hundred twelve thousand, two hundred twenty".