21032422423012 has 192 divisors, whose sum is σ = 51658752983040. Its totient is φ = 7227441561600.

The previous prime is 21032422422943. The next prime is 21032422423039.

21032422423012 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8733348 + ... + 10878244.

It is an arithmetic number, because the mean of its divisors is an integer number (269056005120).

Almost surely, 2^{21032422423012} is an apocalyptic number.

21032422423012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21032422423012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25829376491520).

21032422423012 is an abundant number, since it is smaller than the sum of its proper divisors (30626330560028).

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

21032422423012 is a wasteful number, since it uses less digits than its factorization.

21032422423012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145042 (or 2145040 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

It can be divided in two parts, 2103242 and 2423012, that added together give a palindrome (4526254).

The spelling of 21032422423012 in words is "twenty-one trillion, thirty-two billion, four hundred twenty-two million, four hundred twenty-three thousand, twelve".