125998650322 has 4 divisors (see below), whose sum is σ = 188997975486. Its totient is φ = 62999325160.

The previous prime is 125998650317. The next prime is 125998650329. The reversal of 125998650322 is 223056899521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 223056899521 = 472289².

It can be written as a sum of positive squares in only one way, i.e., 112386528081 + 13612122241 = 335241^2 + 116671^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 125998650322.

It is not an unprimeable number, because it can be changed into a prime (125998650329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31499662579 + ... + 31499662582.

Almost surely, 2^125998650322 is an apocalyptic number.

125998650322 is a deficient number, since it is larger than the sum of its proper divisors (62999325164).

125998650322 is an equidigital number, since it uses as much as digits as its factorization.

125998650322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62999325163.

The product of its (nonzero) digits is 2332800, while the sum is 52.

The spelling of 125998650322 in words is "one hundred twenty-five billion, nine hundred ninety-eight million, six hundred fifty thousand, three hundred twenty-two".