1203000122020 has 36 divisors (see below), whose sum is σ = 2683647689940. Its totient is φ = 452894161408.

The previous prime is 1203000121993. The next prime is 1203000122047. The reversal of 1203000122020 is 202210003021.

It is an interprime number because it is at equal distance from previous prime (1203000121993) and next prime (1203000122047).

It can be written as a sum of positive squares in 6 ways, for example, as 46338589696 + 1156661532324 = 215264^2 + 1075482^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104059975 + ... + 104071534.

It is an arithmetic number, because the mean of its divisors is an integer number (74545769165).

Almost surely, 2^{1203000122020} is an apocalyptic number.

1203000122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203000122020 is an abundant number, since it is smaller than the sum of its proper divisors (1480647567920).

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

1203000122020 is a wasteful number, since it uses less digits than its factorization.

1203000122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208131552 (or 208131533 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 1203000122020 its reverse (202210003021), we get a palindrome (1405210125041).

The spelling of 1203000122020 in words is "one trillion, two hundred three billion, one hundred twenty-two thousand, twenty".