12420332034 has 64 divisors (see below), whose sum is σ = 28927134720. Its totient is φ = 3515400000.

The previous prime is 12420332021. The next prime is 12420332083. The reversal of 12420332034 is 43023302421.

It is a super-3 number, since 3×12420332034³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12420331995 and 12420332013.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19284 + ... + 158784.

It is an arithmetic number, because the mean of its divisors is an integer number (451986480).

Almost surely, 2^12420332034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12420332034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14463567360).

12420332034 is an abundant number, since it is smaller than the sum of its proper divisors (16506802686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12420332034 is a wasteful number, since it uses less digits than its factorization.

12420332034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139607.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 12420332034 its reverse (43023302421), we get a palindrome (55443634455).

The spelling of 12420332034 in words is "twelve billion, four hundred twenty million, three hundred thirty-two thousand, thirty-four".