1230220466531 has 8 divisors (see below), whose sum is σ = 1406073735264. Its totient is φ = 1054394069760.

The previous prime is 1230220466483. The next prime is 1230220466581. The reversal of 1230220466531 is 1356640220321.

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 1230220466531 - 2¹⁸ = 1230220204387 is a prime.

It is a super-2 number, since 2×1230220466531² (a number of 25 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 = 1230220466491 and 1230220466500.

It is not an unprimeable number, because it can be changed into a prime (1230220466581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6619790 + ... + 6803091.

It is an arithmetic number, because the mean of its divisors is an integer number (175759216908).

Almost surely, 2^{1230220466531} is an apocalyptic number.

1230220466531 is a deficient number, since it is larger than the sum of its proper divisors (175853268733).

1230220466531 is a wasteful number, since it uses less digits than its factorization.

1230220466531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13435981.

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 1230220466531 its reverse (1356640220321), we get a palindrome (2586860686852).

The spelling of 1230220466531 in words is "one trillion, two hundred thirty billion, two hundred twenty million, four hundred sixty-six thousand, five hundred thirty-one".