12289779010 has 8 divisors (see below), whose sum is σ = 22121602236. Its totient is φ = 4915911600.

The previous prime is 12289778981. The next prime is 12289779049. The reversal of 12289779010 is 1097798221.

It can be written as a sum of positive squares in 2 ways, for example, as 12222850249 + 66928761 = 110557^2 + 8181^2 .

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

It is a super-2 number, since 2×12289779010² (a number of 21 digits) contains 22 as substring.

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, 614488941 + ... + 614488960.

Almost surely, 2^12289779010 is an apocalyptic number.

12289779010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12289779010 is a deficient number, since it is larger than the sum of its proper divisors (9831823226).

12289779010 is a wasteful number, since it uses less digits than its factorization.

12289779010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228977908.

The product of its (nonzero) digits is 127008, while the sum is 46.

The spelling of 12289779010 in words is "twelve billion, two hundred eighty-nine million, seven hundred seventy-nine thousand, ten".