122736511052806 has 32 divisors (see below), whose sum is σ = 217193688391680. Its totient is φ = 50904316792800.

The previous prime is 122736511052747. The next prime is 122736511052807. The reversal of 122736511052806 is 608250115637221.

It is a super-2 number, since 2×122736511052806² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122736511052806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122736511052807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126169251 + ... + 127138321.

It is an arithmetic number, because the mean of its divisors is an integer number (6787302762240).

Almost surely, 2^{122736511052806} is an apocalyptic number.

122736511052806 is a deficient number, since it is larger than the sum of its proper divisors (94457177338874).

122736511052806 is a wasteful number, since it uses less digits than its factorization.

122736511052806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260940.

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 122736511052806 in words is "one hundred twenty-two trillion, seven hundred thirty-six billion, five hundred eleven million, fifty-two thousand, eight hundred six".