121829515346 has 64 divisors (see below), whose sum is σ = 236766412800. Its totient is φ = 45626328000.

The previous prime is 121829515337. The next prime is 121829515361. The reversal of 121829515346 is 643515928121.

It is a self number, because there is not a number n which added to its sum of digits gives 121829515346.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 625691 + ... + 796961.

It is an arithmetic number, because the mean of its divisors is an integer number (3699475200).

Almost surely, 2^121829515346 is an apocalyptic number.

121829515346 is a deficient number, since it is larger than the sum of its proper divisors (114936897454).

121829515346 is a wasteful number, since it uses less digits than its factorization.

121829515346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171471.

The product of its digits is 518400, while the sum is 47.

The spelling of 121829515346 in words is "one hundred twenty-one billion, eight hundred twenty-nine million, five hundred fifteen thousand, three hundred forty-six".