1231012223301 has 32 divisors (see below), whose sum is σ = 1877404173568. Its totient is φ = 702844853760.

The previous prime is 1231012223281. The next prime is 1231012223339. The reversal of 1231012223301 is 1033222101321.

It is not a de Polignac number, because 1231012223301 - 2⁵ = 1231012223269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231012223341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181214361 + ... + 181221153.

It is an arithmetic number, because the mean of its divisors is an integer number (58668880424).

Almost surely, 2^{1231012223301} is an apocalyptic number.

It is an amenable number.

1231012223301 is a deficient number, since it is larger than the sum of its proper divisors (646391950267).

1231012223301 is a wasteful number, since it uses less digits than its factorization.

1231012223301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12781.

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

Adding to 1231012223301 its reverse (1033222101321), we get a palindrome (2264234324622).

The spelling of 1231012223301 in words is "one trillion, two hundred thirty-one billion, twelve million, two hundred twenty-three thousand, three hundred one".