1231010222033 has 8 divisors (see below), whose sum is σ = 1231786801608. Its totient is φ = 1230233785344.

The previous prime is 1231010222009. The next prime is 1231010222089. The reversal of 1231010222033 is 3302220101321.

It can be written as a sum of positive squares in 4 ways, for example, as 140589752209 + 1090420469824 = 374953^2 + 1044232^2 .

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 1231010222033 - 2¹⁸ = 1231009959889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1231010221996 and 1231010222014.

It is not an unprimeable number, because it can be changed into a prime (1231000222033) 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, 21000341 + ... + 21058877.

It is an arithmetic number, because the mean of its divisors is an integer number (153973350201).

Almost surely, 2^{1231010222033} is an apocalyptic number.

It is an amenable number.

1231010222033 is a deficient number, since it is larger than the sum of its proper divisors (776579575).

1231010222033 is a wasteful number, since it uses less digits than its factorization.

1231010222033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71443.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1231010222033 its reverse (3302220101321), we get a palindrome (4533230323354).

The spelling of 1231010222033 in words is "one trillion, two hundred thirty-one billion, ten million, two hundred twenty-two thousand, thirty-three".