12501402650 has 48 divisors (see below), whose sum is σ = 26241222240. Its totient is φ = 4389201600.

The previous prime is 12501402629. The next prime is 12501402671. The reversal of 12501402650 is 5620410521.

It is an interprime number because it is at equal distance from previous prime (12501402629) and next prime (12501402671).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 375944 + ... + 407843.

It is an arithmetic number, because the mean of its divisors is an integer number (546692130).

Almost surely, 2^12501402650 is an apocalyptic number.

12501402650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12501402650 is an abundant number, since it is smaller than the sum of its proper divisors (13739819590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12501402650 is a wasteful number, since it uses less digits than its factorization.

12501402650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783839 (or 783834 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 12501402650 in words is "twelve billion, five hundred one million, four hundred two thousand, six hundred fifty".