121425025400004 has 12 divisors (see below), whose sum is σ = 283325059266704. Its totient is φ = 40475008466664.

The previous prime is 121425025399987. The next prime is 121425025400027. The reversal of 121425025400004 is 400004520524121.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5059376058322 + ... + 5059376058345.

Almost surely, 2^{121425025400004} is an apocalyptic number.

It is an amenable number.

121425025400004 is an abundant number, since it is smaller than the sum of its proper divisors (161900033866700).

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

121425025400004 is a wasteful number, since it uses less digits than its factorization.

121425025400004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10118752116674 (or 10118752116672 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 121425025400004 its reverse (400004520524121), we get a palindrome (521429545924125).

The spelling of 121425025400004 in words is "one hundred twenty-one trillion, four hundred twenty-five billion, twenty-five million, four hundred thousand, four".