121534012 has 24 divisors (see below), whose sum is σ = 227122560. Its totient is φ = 56777280.

The previous prime is 121533989. The next prime is 121534031. The reversal of 121534012 is 210435121.

It is a super-2 number, since 2×121534012² = 29541032145632288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13303 + ... + 20494.

It is an arithmetic number, because the mean of its divisors is an integer number (9463440).

Almost surely, 2^121534012 is an apocalyptic number.

It is an amenable number.

121534012 is a deficient number, since it is larger than the sum of its proper divisors (105588548).

121534012 is a wasteful number, since it uses less digits than its factorization.

121534012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33861 (or 33859 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 121534012 is about 11024.2465502183. The cubic root of 121534012 is about 495.3352991333.

Adding to 121534012 its reverse (210435121), we get a palindrome (331969133).

The spelling of 121534012 in words is "one hundred twenty-one million, five hundred thirty-four thousand, twelve".