12245121030 has 32 divisors (see below), whose sum is σ = 30013576704. Its totient is φ = 3195889376.

The previous prime is 12245121013. The next prime is 12245121047. The reversal of 12245121030 is 3012154221.

It is an interprime number because it is at equal distance from previous prime (12245121013) and next prime (12245121047).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12245120988 and 12245121006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4340832 + ... + 4343651.

It is an arithmetic number, because the mean of its divisors is an integer number (937924272).

Almost surely, 2^12245121030 is an apocalyptic number.

12245121030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12245121030 is an abundant number, since it is smaller than the sum of its proper divisors (17768455674).

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

12245121030 is a wasteful number, since it uses less digits than its factorization.

12245121030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8684540.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 12245121030 its reverse (3012154221), we get a palindrome (15257275251).

The spelling of 12245121030 in words is "twelve billion, two hundred forty-five million, one hundred twenty-one thousand, thirty".