12220032129 has 8 divisors (see below), whose sum is σ = 16499621760. Its totient is φ = 8043565296.

The previous prime is 12220032109. The next prime is 12220032131. The reversal of 12220032129 is 92123002221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12220032129 - 2²¹ = 12217934977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12220032099 and 12220032108.

It is not an unprimeable number, because it can be changed into a prime (12220032109) 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, 25780422 + ... + 25780895.

It is an arithmetic number, because the mean of its divisors is an integer number (2062452720).

Almost surely, 2^12220032129 is an apocalyptic number.

It is an amenable number.

12220032129 is a deficient number, since it is larger than the sum of its proper divisors (4279589631).

12220032129 is an equidigital number, since it uses as much as digits as its factorization.

12220032129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51561399.

The product of its (nonzero) digits is 864, while the sum is 24.

The spelling of 12220032129 in words is "twelve billion, two hundred twenty million, thirty-two thousand, one hundred twenty-nine".