1203112102020 has 96 divisors (see below), whose sum is σ = 3612920734080. Its totient is φ = 298209300480.

The previous prime is 1203112102013. The next prime is 1203112102097. The reversal of 1203112102020 is 202012113021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9895821 + ... + 10016660.

It is an arithmetic number, because the mean of its divisors is an integer number (37634590980).

Almost surely, 2^{1203112102020} is an apocalyptic number.

1203112102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203112102020 is an abundant number, since it is smaller than the sum of its proper divisors (2409808632060).

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

1203112102020 is a wasteful number, since it uses less digits than its factorization.

1203112102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19912565 (or 19912563 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1203112102020 its reverse (202012113021), we get a palindrome (1405124215041).

The spelling of 1203112102020 in words is "one trillion, two hundred three billion, one hundred twelve million, one hundred two thousand, twenty".