12227037378 has 16 divisors (see below), whose sum is σ = 24458288256. Its totient is φ = 4074976880.

The previous prime is 12227037373. The next prime is 12227037409. The reversal of 12227037378 is 87373072221.

It is a super-2 number, since 2×12227037378² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12227037371) 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, 137193 + ... + 208028.

It is an arithmetic number, because the mean of its divisors is an integer number (1528643016).

Almost surely, 2^12227037378 is an apocalyptic number.

12227037378 is an abundant number, since it is smaller than the sum of its proper divisors (12231250878).

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

12227037378 is a wasteful number, since it uses less digits than its factorization.

12227037378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351129.

The product of its (nonzero) digits is 197568, while the sum is 42.

The spelling of 12227037378 in words is "twelve billion, two hundred twenty-seven million, thirty-seven thousand, three hundred seventy-eight".