122946644862 has 96 divisors (see below), whose sum is σ = 285093768960. Its totient is φ = 38207232000.

The previous prime is 122946644861. The next prime is 122946644869. The reversal of 122946644862 is 268446649221.

122946644862 is a `hidden beast` number, since 12 + 2 + 94 + 6 + 64 + 486 + 2 = 666.

It is a super-3 number, since 3×122946644862³ (a number of 34 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 122946644799 and 122946644808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122946644861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7451662 + ... + 7468142.

It is an arithmetic number, because the mean of its divisors is an integer number (2969726760).

Almost surely, 2^122946644862 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122946644862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142546884480).

122946644862 is an abundant number, since it is smaller than the sum of its proper divisors (162147124098).

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

122946644862 is a wasteful number, since it uses less digits than its factorization.

122946644862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17010 (or 17007 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 54.

The spelling of 122946644862 in words is "one hundred twenty-two billion, nine hundred forty-six million, six hundred forty-four thousand, eight hundred sixty-two".