12221104950 has 72 divisors (see below), whose sum is σ = 34562166600. Its totient is φ = 3087434880.

The previous prime is 12221104937. The next prime is 12221104957. The reversal of 12221104950 is 5940112221.

It is a super-3 number, since 3×12221104950³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221104957) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 706135 + ... + 723234.

Almost surely, 2^12221104950 is an apocalyptic number.

12221104950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221104950 is an abundant number, since it is smaller than the sum of its proper divisors (22341061650).

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

12221104950 is a wasteful number, since it uses less digits than its factorization.

12221104950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429406 (or 1429398 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The spelling of 12221104950 in words is "twelve billion, two hundred twenty-one million, one hundred four thousand, nine hundred fifty".