122403145516 has 24 divisors (see below), whose sum is σ = 223537837824. Its totient is φ = 58535645520.

The previous prime is 122403145511. The next prime is 122403145531. The reversal of 122403145516 is 615541304221.

It is a super-2 number, since 2×122403145516² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122403145511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1172721 + ... + 1272823.

It is an arithmetic number, because the mean of its divisors is an integer number (9314076576).

Almost surely, 2^122403145516 is an apocalyptic number.

It is an amenable number.

122403145516 is a deficient number, since it is larger than the sum of its proper divisors (101134692308).

122403145516 is a wasteful number, since it uses less digits than its factorization.

122403145516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113421 (or 113419 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 122403145516 its reverse (615541304221), we get a palindrome (737944449737).

The spelling of 122403145516 in words is "one hundred twenty-two billion, four hundred three million, one hundred forty-five thousand, five hundred sixteen".