1210322011231 has 16 divisors (see below), whose sum is σ = 1246140403200. Its totient is φ = 1174855233888.

The previous prime is 1210322011229. The next prime is 1210322011343. The reversal of 1210322011231 is 1321102230121.

It is a cyclic number.

It is not a de Polignac number, because 1210322011231 - 2¹ = 1210322011229 is a prime.

It is a super-2 number, since 2×1210322011231² (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 = 1210322011199 and 1210322011208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210322011201) 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 15 ways as a sum of consecutive naturals, for example, 42202765 + ... + 42231433.

It is an arithmetic number, because the mean of its divisors is an integer number (77883775200).

Almost surely, 2^{1210322011231} is an apocalyptic number.

1210322011231 is a deficient number, since it is larger than the sum of its proper divisors (35818391969).

1210322011231 is a wasteful number, since it uses less digits than its factorization.

1210322011231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34758.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1210322011231 its reverse (1321102230121), we get a palindrome (2531424241352).

The spelling of 1210322011231 in words is "one trillion, two hundred ten billion, three hundred twenty-two million, eleven thousand, two hundred thirty-one".