122018712 has 16 divisors (see below), whose sum is σ = 305046840. Its totient is φ = 40672896.

The previous prime is 122018693. The next prime is 122018713. The reversal of 122018712 is 217810221.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 5084113 = 122018712 / (1 + 2 + 2 + 0 + 1 + 8 + 7 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122018713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2542033 + ... + 2542080.

Almost surely, 2^122018712 is an apocalyptic number.

122018712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122018712 is an abundant number, since it is smaller than the sum of its proper divisors (183028128).

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

122018712 is a wasteful number, since it uses less digits than its factorization.

122018712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5084122 (or 5084118 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 122018712 is about 11046.2080371501. The cubic root of 122018712 is about 495.9929217686.

Adding to 122018712 its reverse (217810221), we get a palindrome (339828933).

The spelling of 122018712 in words is "one hundred twenty-two million, eighteen thousand, seven hundred twelve".