4123210331020 has 96 divisors (see below), whose sum is σ = 9627695380800. Its totient is φ = 1470513807360.

The previous prime is 4123210330979. The next prime is 4123210331021. The reversal of 4123210331020 is 201330123214.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 4123210330982 and 4123210331000.

It is not an unprimeable number, because it can be changed into a prime (4123210331021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32035756 + ... + 32164204.

It is an arithmetic number, because the mean of its divisors is an integer number (100288493550).

Almost surely, 2^{4123210331020} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4123210331020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4813847690400).

4123210331020 is an abundant number, since it is smaller than the sum of its proper divisors (5504485049780).

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

4123210331020 is a wasteful number, since it uses less digits than its factorization.

4123210331020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131275 (or 131273 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 4123210331020 its reverse (201330123214), we get a palindrome (4324540454234).

The spelling of 4123210331020 in words is "four trillion, one hundred twenty-three billion, two hundred ten million, three hundred thirty-one thousand, twenty".