12195322038 has 32 divisors (see below), whose sum is σ = 27471967200. Its totient is φ = 4009419648.

The previous prime is 12195322003. The next prime is 12195322081. The reversal of 12195322038 is 83022359121.

It is a super-2 number, since 2×12195322038² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12195321993 and 12195322011.

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, 1542903 + ... + 1550786.

It is an arithmetic number, because the mean of its divisors is an integer number (858498975).

Almost surely, 2^12195322038 is an apocalyptic number.

12195322038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12195322038 is an abundant number, since it is smaller than the sum of its proper divisors (15276645162).

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

12195322038 is a wasteful number, since it uses less digits than its factorization.

12195322038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3093773 (or 3093767 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 12195322038 in words is "twelve billion, one hundred ninety-five million, three hundred twenty-two thousand, thirty-eight".