1213130213220 has 192 divisors, whose sum is σ = 3595793515776. Its totient is φ = 305190789120.

The previous prime is 1213130213161. The next prime is 1213130213221. The reversal of 1213130213220 is 223120313121.

It is a super-3 number, since 3×1213130213220³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1213130213221) 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 63 ways as a sum of consecutive naturals, for example, 13031640 + ... + 13124400.

It is an arithmetic number, because the mean of its divisors is an integer number (18728091228).

Almost surely, 2^{1213130213220} is an apocalyptic number.

1213130213220 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 1213130213220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1797896757888).

1213130213220 is an abundant number, since it is smaller than the sum of its proper divisors (2382663302556).

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

1213130213220 is a wasteful number, since it uses less digits than its factorization.

1213130213220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92990 (or 92988 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1213130213220 its reverse (223120313121), we get a palindrome (1436250526341).

Subtracting from 1213130213220 its reverse (223120313121), we obtain a palindrome (990009900099).

The spelling of 1213130213220 in words is "one trillion, two hundred thirteen billion, one hundred thirty million, two hundred thirteen thousand, two hundred twenty".