1230112332131 has 4 divisors (see below), whose sum is σ = 1233992812992. Its totient is φ = 1226231851272.

The previous prime is 1230112332107. The next prime is 1230112332143. The reversal of 1230112332131 is 1312332110321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1230112332131 - 2¹⁸ = 1230112069987 is a prime.

It is a super-2 number, since 2×1230112332131² (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 = 1230112332097 and 1230112332106.

It is not an unprimeable number, because it can be changed into a prime (1230112332181) 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, 1940239955 + ... + 1940240588.

It is an arithmetic number, because the mean of its divisors is an integer number (308498203248).

Almost surely, 2^{1230112332131} is an apocalyptic number.

1230112332131 is a deficient number, since it is larger than the sum of its proper divisors (3880480861).

1230112332131 is an equidigital number, since it uses as much as digits as its factorization.

1230112332131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3880480860.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1230112332131 its reverse (1312332110321), we get a palindrome (2542444442452).

The spelling of 1230112332131 in words is "one trillion, two hundred thirty billion, one hundred twelve million, three hundred thirty-two thousand, one hundred thirty-one".