1201124122420 has 24 divisors (see below), whose sum is σ = 2523485299104. Its totient is φ = 480235431456.

The previous prime is 1201124122417. The next prime is 1201124122447. The reversal of 1201124122420 is 242214211021.

It is a junction number, because it is equal to n+sod(n) for n = 1201124122391 and 1201124122400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13342614 + ... + 13432333.

It is an arithmetic number, because the mean of its divisors is an integer number (105145220796).

Almost surely, 2^{1201124122420} is an apocalyptic number.

1201124122420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201124122420 is an abundant number, since it is smaller than the sum of its proper divisors (1322361176684).

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

1201124122420 is a wasteful number, since it uses less digits than its factorization.

1201124122420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26777199 (or 26777197 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 1201124122420 its reverse (242214211021), we get a palindrome (1443338333441).

The spelling of 1201124122420 in words is "one trillion, two hundred one billion, one hundred twenty-four million, one hundred twenty-two thousand, four hundred twenty".