121333112012 has 48 divisors (see below), whose sum is σ = 244410196800. Its totient is φ = 51626529792.

The previous prime is 121333111973. The next prime is 121333112023. The reversal of 121333112012 is 210211333121.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10912568 + ... + 10923680.

It is an arithmetic number, because the mean of its divisors is an integer number (5091879100).

Almost surely, 2^121333112012 is an apocalyptic number.

It is an amenable number.

121333112012 is an abundant number, since it is smaller than the sum of its proper divisors (123077084788).

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

121333112012 is a wasteful number, since it uses less digits than its factorization.

121333112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13890 (or 13888 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 121333112012 its reverse (210211333121), we get a palindrome (331544445133).

The spelling of 121333112012 in words is "one hundred twenty-one billion, three hundred thirty-three million, one hundred twelve thousand, twelve".