121535245012 has 12 divisors (see below), whose sum is σ = 212722604640. Its totient is φ = 60757357976.

The previous prime is 121535244997. The next prime is 121535245057. The reversal of 121535245012 is 210542535121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2539462 + ... + 2586877.

It is an arithmetic number, because the mean of its divisors is an integer number (17726883720).

Almost surely, 2^121535245012 is an apocalyptic number.

It is an amenable number.

121535245012 is a deficient number, since it is larger than the sum of its proper divisors (91187359628).

121535245012 is a wasteful number, since it uses less digits than its factorization.

121535245012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5132270 (or 5132268 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 121535245012 in words is "one hundred twenty-one billion, five hundred thirty-five million, two hundred forty-five thousand, twelve".