1231323301210 has 8 divisors (see below), whose sum is σ = 2216381942196. Its totient is φ = 492529320480.

The previous prime is 1231323301193. The next prime is 1231323301211. The reversal of 1231323301210 is 121033231321.

It can be written as a sum of positive squares in 2 ways, for example, as 1054665326961 + 176657974249 = 1026969^2 + 420307^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1231323301211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61566165051 + ... + 61566165070.

Almost surely, 2^{1231323301210} is an apocalyptic number.

1231323301210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231323301210 is a deficient number, since it is larger than the sum of its proper divisors (985058640986).

1231323301210 is a wasteful number, since it uses less digits than its factorization.

1231323301210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123132330128.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1231323301210 its reverse (121033231321), we get a palindrome (1352356532531).

The spelling of 1231323301210 in words is "one trillion, two hundred thirty-one billion, three hundred twenty-three million, three hundred one thousand, two hundred ten".