4012120025 has 6 divisors (see below), whose sum is σ = 4975028862. Its totient is φ = 3209696000.

The previous prime is 4012119989. The next prime is 4012120081. The reversal of 4012120025 is 5200212104.

It can be written as a sum of positive squares in 3 ways, for example, as 32024281 + 3980095744 = 5659^2 + 63088^2 .

It is not a de Polignac number, because 4012120025 - 2⁶ = 4012119961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4012119985 and 4012120012.

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, 80242376 + ... + 80242425.

It is an arithmetic number, because the mean of its divisors is an integer number (829171477).

Almost surely, 2^4012120025 is an apocalyptic number.

It is an amenable number.

4012120025 is a deficient number, since it is larger than the sum of its proper divisors (962908837).

4012120025 is a wasteful number, since it uses less digits than its factorization.

4012120025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160484811 (or 160484806 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 4012120025 is about 63341.2979421799. The cubic root of 4012120025 is about 1589.0027137436.

Adding to 4012120025 its reverse (5200212104), we get a palindrome (9212332129).

The spelling of 4012120025 in words is "four billion, twelve million, one hundred twenty thousand, twenty-five".