12274055778990 has 128 divisors (see below), whose sum is σ = 30480260912640. Its totient is φ = 3160868755968.

The previous prime is 12274055778923. The next prime is 12274055779021. The reversal of 12274055778990 is 9987755047221.

12274055778990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 91555749 + ... + 91689711.

It is an arithmetic number, because the mean of its divisors is an integer number (238127038380).

Almost surely, 2^{12274055778990} is an apocalyptic number.

12274055778990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12274055778990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15240130456320).

12274055778990 is an abundant number, since it is smaller than the sum of its proper divisors (18206205133650).

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

12274055778990 is a wasteful number, since it uses less digits than its factorization.

12274055778990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134626.

The product of its (nonzero) digits is 88905600, while the sum is 66.

The spelling of 12274055778990 in words is "twelve trillion, two hundred seventy-four billion, fifty-five million, seven hundred seventy-eight thousand, nine hundred ninety".