1003232012220 has 144 divisors (see below), whose sum is σ = 3206888822592. Its totient is φ = 253363123200.

The previous prime is 1003232012179. The next prime is 1003232012231. The reversal of 1003232012220 is 222102323001.

1003232012220 is a `hidden beast` number, since 100 + 323 + 20 + 1 + 2 + 220 = 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 = 1003232012193 and 1003232012202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 781497 + ... + 1617776.

It is an arithmetic number, because the mean of its divisors is an integer number (22270061268).

Almost surely, 2^{1003232012220} is an apocalyptic number.

1003232012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003232012220 is an abundant number, since it is smaller than the sum of its proper divisors (2203656810372).

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

1003232012220 is a wasteful number, since it uses less digits than its factorization.

1003232012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2399412 (or 2399407 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1003232012220 its reverse (222102323001), we get a palindrome (1225334335221).

The spelling of 1003232012220 in words is "one trillion, three billion, two hundred thirty-two million, twelve thousand, two hundred twenty".