121132412 has 12 divisors (see below), whose sum is σ = 224451360. Its totient is φ = 57003456.

The previous prime is 121132411. The next prime is 121132423. The reversal of 121132412 is 214231121.

It is a super-2 number, since 2×121132412² = 29346122473875488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121132411) 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, 890612 + ... + 890747.

It is an arithmetic number, because the mean of its divisors is an integer number (18704280).

Almost surely, 2^121132412 is an apocalyptic number.

It is an amenable number.

121132412 is a deficient number, since it is larger than the sum of its proper divisors (103318948).

121132412 is a wasteful number, since it uses less digits than its factorization.

121132412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781380 (or 1781378 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 121132412 is about 11006.0170815786. The cubic root of 121132412 is about 494.7890976525.

Adding to 121132412 its reverse (214231121), we get a palindrome (335363533).

The spelling of 121132412 in words is "one hundred twenty-one million, one hundred thirty-two thousand, four hundred twelve".