1213141041220 has 24 divisors (see below), whose sum is σ = 2548489886208. Its totient is φ = 485086188000.

The previous prime is 1213141041191. The next prime is 1213141041221. The reversal of 1213141041220 is 221401413121.

It is a super-2 number, since 2×1213141041220² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1213141041191 and 1213141041200.

It is not an unprimeable number, because it can be changed into a prime (1213141041221) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10580836 + ... + 10694875.

It is an arithmetic number, because the mean of its divisors is an integer number (106187078592).

Almost surely, 2^{1213141041220} is an apocalyptic number.

1213141041220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1213141041220 is an abundant number, since it is smaller than the sum of its proper divisors (1335348844988).

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

1213141041220 is a wasteful number, since it uses less digits than its factorization.

1213141041220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21278571 (or 21278569 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 1213141041220 its reverse (221401413121), we get a palindrome (1434542454341).

The spelling of 1213141041220 in words is "one trillion, two hundred thirteen billion, one hundred forty-one million, forty-one thousand, two hundred twenty".