121244412 has 24 divisors (see below), whose sum is σ = 290550736. Its totient is φ = 39322368.

The previous prime is 121244407. The next prime is 121244413. The reversal of 121244412 is 214442121.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121244413) 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, 136093 + ... + 136980.

Almost surely, 2^121244412 is an apocalyptic number.

121244412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121244412 is an abundant number, since it is smaller than the sum of its proper divisors (169306324).

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

121244412 is a wasteful number, since it uses less digits than its factorization.

121244412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273117 (or 273115 counting only the distinct ones).

The product of its digits is 512, while the sum is 21.

The square root of 121244412 is about 11011.1040318399. The cubic root of 121244412 is about 494.9415460003.

Adding to 121244412 its reverse (214442121), we get a palindrome (335686533).

The spelling of 121244412 in words is "one hundred twenty-one million, two hundred forty-four thousand, four hundred twelve".