121304444350400 has 42 divisors (see below), whose sum is σ = 298484748383640. Its totient is φ = 48521777739520.

The previous prime is 121304444350399. The next prime is 121304444350421. The reversal of 121304444350400 is 4053444403121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37907637260 + ... + 37907640459.

It is an arithmetic number, because the mean of its divisors is an integer number (7106779723420).

Almost surely, 2^{121304444350400} is an apocalyptic number.

121304444350400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121304444350400 is an abundant number, since it is smaller than the sum of its proper divisors (177180304033240).

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

121304444350400 is an equidigital number, since it uses as much as digits as its factorization.

121304444350400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75815277741 (or 75815277726 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 121304444350400 its reverse (4053444403121), we get a palindrome (125357888753521).

The spelling of 121304444350400 in words is "one hundred twenty-one trillion, three hundred four billion, four hundred forty-four million, three hundred fifty thousand, four hundred".