122783367715009 has 16 divisors (see below), whose sum is σ = 126011869739712. Its totient is φ = 119571916197888.

The previous prime is 122783367715007. The next prime is 122783367715039. The reversal of 122783367715009 is 900517763387221.

It is a cyclic number.

It is not a de Polignac number, because 122783367715009 - 2¹ = 122783367715007 is a prime.

It is a super-2 number, since 2×122783367715009² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122783367715007) 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, 111671274 + ... + 112765420.

It is an arithmetic number, because the mean of its divisors is an integer number (7875741858732).

Almost surely, 2^{122783367715009} is an apocalyptic number.

It is an amenable number.

122783367715009 is a deficient number, since it is larger than the sum of its proper divisors (3228502024703).

122783367715009 is a wasteful number, since it uses less digits than its factorization.

122783367715009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101936.

The product of its (nonzero) digits is 26671680, while the sum is 61.

The spelling of 122783367715009 in words is "one hundred twenty-two trillion, seven hundred eighty-three billion, three hundred sixty-seven million, seven hundred fifteen thousand, nine".