1231022132123 has 8 divisors (see below), whose sum is σ = 1414248314880. Its totient is φ = 1049637418920.

The previous prime is 1231022132113. The next prime is 1231022132147. The reversal of 1231022132123 is 3212312201321.

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 1231022132123 - 2⁶ = 1231022132059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1231022132113) 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, 460365953 + ... + 460368626.

It is an arithmetic number, because the mean of its divisors is an integer number (176781039360).

Almost surely, 2^{1231022132123} is an apocalyptic number.

1231022132123 is a deficient number, since it is larger than the sum of its proper divisors (183226182757).

1231022132123 is an equidigital number, since it uses as much as digits as its factorization.

1231022132123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920734777.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1231022132123 its reverse (3212312201321), we get a palindrome (4443334333444).

The spelling of 1231022132123 in words is "one trillion, two hundred thirty-one billion, twenty-two million, one hundred thirty-two thousand, one hundred twenty-three".