1203111210220 has 96 divisors (see below), whose sum is σ = 2686663365120. Its totient is φ = 450989199360.

The previous prime is 1203111210181. The next prime is 1203111210239. The reversal of 1203111210220 is 220121113021.

It is a junction number, because it is equal to n+sod(n) for n = 1203111210194 and 1203111210203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236970322 + ... + 236975398.

It is an arithmetic number, because the mean of its divisors is an integer number (27986076720).

Almost surely, 2^{1203111210220} is an apocalyptic number.

1203111210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1203111210220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1343331682560).

1203111210220 is an abundant number, since it is smaller than the sum of its proper divisors (1483552154900).

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

1203111210220 is a wasteful number, since it uses less digits than its factorization.

1203111210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7963 (or 7961 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1203111210220 its reverse (220121113021), we get a palindrome (1423232323241).

The spelling of 1203111210220 in words is "one trillion, two hundred three billion, one hundred eleven million, two hundred ten thousand, two hundred twenty".