122040312 has 16 divisors (see below), whose sum is σ = 305100840. Its totient is φ = 40680096.

The previous prime is 122040307. The next prime is 122040329. The reversal of 122040312 is 213040221.

It is a junction number, because it is equal to n+sod(n) for n = 122040291 and 122040300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2542483 + ... + 2542530.

Almost surely, 2^122040312 is an apocalyptic number.

122040312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122040312 is an abundant number, since it is smaller than the sum of its proper divisors (183060528).

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

122040312 is a wasteful number, since it uses less digits than its factorization.

122040312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5085022 (or 5085018 counting only the distinct ones).

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

The square root of 122040312 is about 11047.1857049658. The cubic root of 122040312 is about 496.0221872663.

Adding to 122040312 its reverse (213040221), we get a palindrome (335080533).

Subtracting 122040312 from its reverse (213040221), we obtain a palindrome (90999909).

The spelling of 122040312 in words is "one hundred twenty-two million, forty thousand, three hundred twelve".