12111420030 has 16 divisors (see below), whose sum is σ = 29067408144. Its totient is φ = 3229712000.

The previous prime is 12111420023. The next prime is 12111420037. The reversal of 12111420030 is 3002411121.

It is an interprime number because it is at equal distance from previous prime (12111420023) and next prime (12111420037).

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 = 12111419991 and 12111420009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111420037) 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, 201856971 + ... + 201857030.

It is an arithmetic number, because the mean of its divisors is an integer number (1816713009).

Almost surely, 2^12111420030 is an apocalyptic number.

12111420030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12111420030 is an abundant number, since it is smaller than the sum of its proper divisors (16955988114).

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

12111420030 is a wasteful number, since it uses less digits than its factorization.

12111420030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403714011.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12111420030 its reverse (3002411121), we get a palindrome (15113831151).

It can be divided in two parts, 1211 and 1420030, that added together give a palindrome (1421241).

The spelling of 12111420030 in words is "twelve billion, one hundred eleven million, four hundred twenty thousand, thirty".