12220220021131 has 8 divisors (see below), whose sum is σ = 12287526410880. Its totient is φ = 12153087775872.

The previous prime is 12220220021129. The next prime is 12220220021159. The reversal of 12220220021131 is 13112002202221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12220220021131 - 2¹ = 12220220021129 is a prime.

It is a super-2 number, since 2×12220220021131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12220220021099 and 12220220021108.

It is not an unprimeable number, because it can be changed into a prime (12220220921131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43395390 + ... + 43676083.

It is an arithmetic number, because the mean of its divisors is an integer number (1535940801360).

Almost surely, 2^{12220220021131} is an apocalyptic number.

12220220021131 is a deficient number, since it is larger than the sum of its proper divisors (67306389749).

12220220021131 is an equidigital number, since it uses as much as digits as its factorization.

12220220021131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87072245.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12220220021131 its reverse (13112002202221), we get a palindrome (25332222223352).

The spelling of 12220220021131 in words is "twelve trillion, two hundred twenty billion, two hundred twenty million, twenty-one thousand, one hundred thirty-one".