12102132311123 has 8 divisors (see below), whose sum is σ = 12628347256608. Its totient is φ = 11575920305664.

The previous prime is 12102132311107. The next prime is 12102132311131. The reversal of 12102132311123 is 32111323120121.

It is a happy number.

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 12102132311123 - 2⁴ = 12102132311107 is a prime.

It is a super-2 number, since 2×12102132311123² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12102132311153) 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, 13753061 + ... + 14606537.

It is an arithmetic number, because the mean of its divisors is an integer number (1578543407076).

Almost surely, 2^{12102132311123} is an apocalyptic number.

12102132311123 is a deficient number, since it is larger than the sum of its proper divisors (526214945485).

12102132311123 is an equidigital number, since it uses as much as digits as its factorization.

12102132311123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470013.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 12102132311123 its reverse (32111323120121), we get a palindrome (44213455431244).

The spelling of 12102132311123 in words is "twelve trillion, one hundred two billion, one hundred thirty-two million, three hundred eleven thousand, one hundred twenty-three".