1012100635425 has 24 divisors (see below), whose sum is σ = 1825461511200. Its totient is φ = 490715459200.

The previous prime is 1012100635387. The next prime is 1012100635439. The reversal of 1012100635425 is 5245360012101.

It is not a de Polignac number, because 1012100635425 - 2⁷ = 1012100635297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012100635392 and 1012100635401.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 613393500 + ... + 613395149.

It is an arithmetic number, because the mean of its divisors is an integer number (76060896300).

Almost surely, 2^{1012100635425} is an apocalyptic number.

1012100635425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1012100635425 is a deficient number, since it is larger than the sum of its proper divisors (813360875775).

1012100635425 is a wasteful number, since it uses less digits than its factorization.

1012100635425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226788673 (or 1226788668 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 1012100635425 its reverse (5245360012101), we get a palindrome (6257460647526).

The spelling of 1012100635425 in words is "one trillion, twelve billion, one hundred million, six hundred thirty-five thousand, four hundred twenty-five".