12132220123 has 8 divisors (see below), whose sum is σ = 12184406640. Its totient is φ = 12080127840.

The previous prime is 12132220103. The next prime is 12132220147. The reversal of 12132220123 is 32102223121.

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 12132220123 - 2⁹ = 12132219611 is a prime.

It is a super-2 number, since 2×12132220123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12132220123.

It is not an unprimeable number, because it can be changed into a prime (12132220103) 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, 240813 + ... + 286801.

It is an arithmetic number, because the mean of its divisors is an integer number (1523050830).

Almost surely, 2^12132220123 is an apocalyptic number.

12132220123 is a deficient number, since it is larger than the sum of its proper divisors (52186517).

12132220123 is an equidigital number, since it uses as much as digits as its factorization.

12132220123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47117.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12132220123 its reverse (32102223121), we get a palindrome (44234443244).

The spelling of 12132220123 in words is "twelve billion, one hundred thirty-two million, two hundred twenty thousand, one hundred twenty-three".