123201011001131 has 8 divisors (see below), whose sum is σ = 141828901091040. Its totient is φ = 104830057326528.

The previous prime is 123201011001059. The next prime is 123201011001197. The reversal of 123201011001131 is 131100110102321.

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 123201011001131 - 2⁴⁶ = 52832266823467 is a prime.

It is a super-2 number, since 2×123201011001131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123201011004131) 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, 64234102796 + ... + 64234104713.

It is an arithmetic number, because the mean of its divisors is an integer number (17728612636380).

Almost surely, 2^{123201011001131} is an apocalyptic number.

123201011001131 is a deficient number, since it is larger than the sum of its proper divisors (18627890089909).

123201011001131 is a wasteful number, since it uses less digits than its factorization.

123201011001131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128468207653.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 123201011001131 its reverse (131100110102321), we get a palindrome (254301121103452).

The spelling of 123201011001131 in words is "one hundred twenty-three trillion, two hundred one billion, eleven million, one thousand, one hundred thirty-one".