121341450144 has 48 divisors (see below), whose sum is σ = 329504807520. Its totient is φ = 39052419840.

The previous prime is 121341450121. The next prime is 121341450151. The reversal of 121341450144 is 441054143121.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21789862 + ... + 21795429.

It is an arithmetic number, because the mean of its divisors is an integer number (6864683490).

Almost surely, 2^121341450144 is an apocalyptic number.

It is an amenable number.

121341450144 is an abundant number, since it is smaller than the sum of its proper divisors (208163357376).

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

121341450144 is a wasteful number, since it uses less digits than its factorization.

121341450144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43585333 (or 43585325 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 121341450144 its reverse (441054143121), we get a palindrome (562395593265).

The spelling of 121341450144 in words is "one hundred twenty-one billion, three hundred forty-one million, four hundred fifty thousand, one hundred forty-four".