122531412 has 12 divisors (see below), whose sum is σ = 285906656. Its totient is φ = 40843800.

The previous prime is 122531401. The next prime is 122531413. The reversal of 122531412 is 214135221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122531413) 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, 5105464 + ... + 5105487.

Almost surely, 2^122531412 is an apocalyptic number.

122531412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122531412 is an abundant number, since it is smaller than the sum of its proper divisors (163375244).

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

122531412 is a wasteful number, since it uses less digits than its factorization.

122531412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10210958 (or 10210956 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 122531412 is about 11069.3907691435. The cubic root of 122531412 is about 496.6866411397.

Adding to 122531412 its reverse (214135221), we get a palindrome (336666633).

The spelling of 122531412 in words is "one hundred twenty-two million, five hundred thirty-one thousand, four hundred twelve".