12401220030 has 64 divisors (see below), whose sum is σ = 30535729920. Its totient is φ = 3222119936.

The previous prime is 12401220011. The next prime is 12401220031. The reversal of 12401220030 is 3002210421.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 12401219991 and 12401220009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12401220031) 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, 169009 + ... + 231011.

It is an arithmetic number, because the mean of its divisors is an integer number (477120780).

Almost surely, 2^12401220030 is an apocalyptic number.

12401220030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12401220030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15267864960).

12401220030 is an abundant number, since it is smaller than the sum of its proper divisors (18134509890).

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

12401220030 is a wasteful number, since it uses less digits than its factorization.

12401220030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62185.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12401220030 its reverse (3002210421), we get a palindrome (15403430451).

The spelling of 12401220030 in words is "twelve billion, four hundred one million, two hundred twenty thousand, thirty".