12245831990 has 16 divisors (see below), whose sum is σ = 25191425952. Its totient is φ = 4198570944.

The previous prime is 12245831933. The next prime is 12245831993. The reversal of 12245831990 is 9913854221.

12245831990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12245831990² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12245831993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87470159 + ... + 87470298.

It is an arithmetic number, because the mean of its divisors is an integer number (1574464122).

Almost surely, 2^12245831990 is an apocalyptic number.

12245831990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12245831990 is an abundant number, since it is smaller than the sum of its proper divisors (12945593962).

12245831990 is a wasteful number, since it uses less digits than its factorization.

12245831990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174940471.

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 12245831990 in words is "twelve billion, two hundred forty-five million, eight hundred thirty-one thousand, nine hundred ninety".