122403012 has 24 divisors (see below), whose sum is σ = 286034112. Its totient is φ = 40740000.

The previous prime is 122403007. The next prime is 122403013. The reversal of 122403012 is 210304221.

It is a junction number, because it is equal to n+sod(n) for n = 122402982 and 122403000.

It is not an unprimeable number, because it can be changed into a prime (122403013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1137 + ... + 15687.

It is an arithmetic number, because the mean of its divisors is an integer number (11918088).

Almost surely, 2^122403012 is an apocalyptic number.

122403012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122403012 is an abundant number, since it is smaller than the sum of its proper divisors (163631100).

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

122403012 is a wasteful number, since it uses less digits than its factorization.

122403012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15259 (or 15257 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 122403012 is about 11063.5894717763. The cubic root of 122403012 is about 496.5130887611.

Adding to 122403012 its reverse (210304221), we get a palindrome (332707233).

The spelling of 122403012 in words is "one hundred twenty-two million, four hundred three thousand, twelve".