1230220313211 has 8 divisors (see below), whose sum is σ = 1640298875904. Its totient is φ = 820144313000.

The previous prime is 1230220313171. The next prime is 1230220313221. The reversal of 1230220313211 is 1123130220321.

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 1230220313211 - 2¹⁰ = 1230220312187 is a prime.

It is a super-2 number, since 2×1230220313211² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1230220313221) 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, 1539010 + ... + 2197496.

It is an arithmetic number, because the mean of its divisors is an integer number (205037359488).

Almost surely, 2^{1230220313211} is an apocalyptic number.

1230220313211 is a deficient number, since it is larger than the sum of its proper divisors (410078562693).

1230220313211 is an equidigital number, since it uses as much as digits as its factorization.

1230220313211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281241.

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

Adding to 1230220313211 its reverse (1123130220321), we get a palindrome (2353350533532).

The spelling of 1230220313211 in words is "one trillion, two hundred thirty billion, two hundred twenty million, three hundred thirteen thousand, two hundred eleven".