121513505214 has 8 divisors (see below), whose sum is σ = 243027010440. Its totient is φ = 40504501736.

The previous prime is 121513505213. The next prime is 121513505219. The reversal of 121513505214 is 412505315121.

It is a sphenic number, since it is the product of 3 distinct primes.

121513505214 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121513505213) 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, 10126125429 + ... + 10126125440.

It is an arithmetic number, because the mean of its divisors is an integer number (30378376305).

Almost surely, 2^121513505214 is an apocalyptic number.

121513505214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121513505214 is a wasteful number, since it uses less digits than its factorization.

121513505214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20252250874.

The product of its (nonzero) digits is 6000, while the sum is 30.

The spelling of 121513505214 in words is "one hundred twenty-one billion, five hundred thirteen million, five hundred five thousand, two hundred fourteen".