12820770399222 has 24 divisors (see below), whose sum is σ = 27780637200264. Its totient is φ = 4273236081504.

The previous prime is 12820770399167. The next prime is 12820770399253. The reversal of 12820770399222 is 22299307702821.

12820770399222 is a `hidden beast` number, since 1 + 2 + 8 + 20 + 7 + 7 + 0 + 399 + 222 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29280948 + ... + 29715575.

It is an arithmetic number, because the mean of its divisors is an integer number (1157526550011).

Almost surely, 2^{12820770399222} is an apocalyptic number.

12820770399222 is an abundant number, since it is smaller than the sum of its proper divisors (14959866801042).

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

12820770399222 is a wasteful number, since it uses less digits than its factorization.

12820770399222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59008604 (or 59008601 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 12820770399222 in words is "twelve trillion, eight hundred twenty billion, seven hundred seventy million, three hundred ninety-nine thousand, two hundred twenty-two".