12212025782 has 8 divisors (see below), whose sum is σ = 19983314952. Its totient is φ = 5550920800.

The previous prime is 12212025751. The next prime is 12212025809. The reversal of 12212025782 is 28752021221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277546019 + ... + 277546062.

It is an arithmetic number, because the mean of its divisors is an integer number (2497914369).

Almost surely, 2^12212025782 is an apocalyptic number.

12212025782 is a deficient number, since it is larger than the sum of its proper divisors (7771289170).

12212025782 is a wasteful number, since it uses less digits than its factorization.

12212025782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555092094.

The product of its (nonzero) digits is 8960, while the sum is 32.

The spelling of 12212025782 in words is "twelve billion, two hundred twelve million, twenty-five thousand, seven hundred eighty-two".