125135005210 has 32 divisors (see below), whose sum is σ = 227424298752. Its totient is φ = 49569585600.

The previous prime is 125135005199. The next prime is 125135005211. The reversal of 125135005210 is 12500531521.

It is not an unprimeable number, because it can be changed into a prime (125135005211) 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, 3462735 + ... + 3498685.

It is an arithmetic number, because the mean of its divisors is an integer number (7107009336).

Almost surely, 2^125135005210 is an apocalyptic number.

125135005210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125135005210 is a deficient number, since it is larger than the sum of its proper divisors (102289293542).

125135005210 is a wasteful number, since it uses less digits than its factorization.

125135005210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39318.

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 125135005210 its reverse (12500531521), we get a palindrome (137635536731).

The spelling of 125135005210 in words is "one hundred twenty-five billion, one hundred thirty-five million, five thousand, two hundred ten".