125557802012 has 54 divisors (see below), whose sum is σ = 230124074544. Its totient is φ = 59914411200.

The previous prime is 125557801997. The next prime is 125557802021. The reversal of 125557802012 is 210208755521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 208914512 + ... + 208915112.

It is an arithmetic number, because the mean of its divisors is an integer number (4261556936).

Almost surely, 2^125557802012 is an apocalyptic number.

It is an amenable number.

125557802012 is a deficient number, since it is larger than the sum of its proper divisors (104566272532).

125557802012 is an frugal number, since it uses more digits than its factorization.

125557802012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 38.

The spelling of 125557802012 in words is "one hundred twenty-five billion, five hundred fifty-seven million, eight hundred two thousand, twelve".