12125120202061 has 16 divisors (see below), whose sum is σ = 12336076678464. Its totient is φ = 11915733741184.

The previous prime is 12125120202053. The next prime is 12125120202071. The reversal of 12125120202061 is 16020202152121.

12125120202061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12125120202061 - 2³ = 12125120202053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12125120202071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80649786 + ... + 80799988.

It is an arithmetic number, because the mean of its divisors is an integer number (771004792404).

Almost surely, 2^{12125120202061} is an apocalyptic number.

It is an amenable number.

12125120202061 is a deficient number, since it is larger than the sum of its proper divisors (210956476403).

12125120202061 is a wasteful number, since it uses less digits than its factorization.

12125120202061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155420.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 12125120202061 its reverse (16020202152121), we get a palindrome (28145322354182).

The spelling of 12125120202061 in words is "twelve trillion, one hundred twenty-five billion, one hundred twenty million, two hundred two thousand, sixty-one".