10121435425 has 12 divisors (see below), whose sum is σ = 12661650540. Its totient is φ = 8025489920.

The previous prime is 10121435419. The next prime is 10121435449. The reversal of 10121435425 is 52453412101.

10121435425 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 277422336 + 9844013089 = 16656^2 + 99217^2 .

It is not a de Polignac number, because 10121435425 - 2⁵ = 10121435393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10121435393 and 10121435402.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1788580 + ... + 1794229.

It is an arithmetic number, because the mean of its divisors is an integer number (1055137545).

Almost surely, 2^10121435425 is an apocalyptic number.

It is an amenable number.

10121435425 is a deficient number, since it is larger than the sum of its proper divisors (2540215115).

10121435425 is a wasteful number, since it uses less digits than its factorization.

10121435425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3582932 (or 3582927 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 10121435425 its reverse (52453412101), we get a palindrome (62574847526).

The spelling of 10121435425 in words is "ten billion, one hundred twenty-one million, four hundred thirty-five thousand, four hundred twenty-five".