122144447778246 has 24 divisors (see below), whose sum is σ = 264809564720064. Its totient is φ = 40689698818320.

The previous prime is 122144447778163. The next prime is 122144447778247. The reversal of 122144447778246 is 642877744441221.

122144447778246 is a `hidden beast` number, since 1 + 2 + 2 + 1 + 4 + 4 + 447 + 77 + 82 + 46 = 666.

It is a super-2 number, since 2×122144447778246² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122144447778247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2093062326 + ... + 2093120681.

It is an arithmetic number, because the mean of its divisors is an integer number (11033731863336).

Almost surely, 2^{122144447778246} is an apocalyptic number.

122144447778246 is an abundant number, since it is smaller than the sum of its proper divisors (142665116941818).

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

122144447778246 is a wasteful number, since it uses less digits than its factorization.

122144447778246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4186184636 (or 4186184633 counting only the distinct ones).

The product of its digits is 134873088, while the sum is 63.

The spelling of 122144447778246 in words is "one hundred twenty-two trillion, one hundred forty-four billion, four hundred forty-seven million, seven hundred seventy-eight thousand, two hundred forty-six".