121304646403122 has 64 divisors (see below), whose sum is σ = 300143182752000. Its totient is φ = 31826670280704.

The previous prime is 121304646403063. The next prime is 121304646403189. The reversal of 121304646403122 is 221304646403121.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 575463747 + ... + 575674502.

It is an arithmetic number, because the mean of its divisors is an integer number (4689737230500).

Almost surely, 2^{121304646403122} is an apocalyptic number.

121304646403122 is an abundant number, since it is smaller than the sum of its proper divisors (178838536348878).

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

121304646403122 is a wasteful number, since it uses less digits than its factorization.

121304646403122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151138467.

The product of its (nonzero) digits is 165888, while the sum is 39.

Subtracting 121304646403122 from its reverse (221304646403121), we obtain a palindrome (99999999999999).

The spelling of 121304646403122 in words is "one hundred twenty-one trillion, three hundred four billion, six hundred forty-six million, four hundred three thousand, one hundred twenty-two".