121423412 has 48 divisors (see below), whose sum is σ = 237504960. Its totient is φ = 53856000.

The previous prime is 121423411. The next prime is 121423429. The reversal of 121423412 is 214324121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121423411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395363 + ... + 395669.

It is an arithmetic number, because the mean of its divisors is an integer number (4948020).

Almost surely, 2^121423412 is an apocalyptic number.

It is an amenable number.

121423412 is a deficient number, since it is larger than the sum of its proper divisors (116081548).

121423412 is a wasteful number, since it uses less digits than its factorization.

121423412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512 (or 510 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 121423412 is about 11019.2291926432. The cubic root of 121423412 is about 495.1849963222.

Adding to 121423412 its reverse (214324121), we get a palindrome (335747533).

The spelling of 121423412 in words is "one hundred twenty-one million, four hundred twenty-three thousand, four hundred twelve".