12958921510 has 16 divisors (see below), whose sum is σ = 24340235616. Its totient is φ = 4958195968.

The previous prime is 12958921447. The next prime is 12958921511. The reversal of 12958921510 is 1512985921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12958921511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28171339 + ... + 28171798.

It is an arithmetic number, because the mean of its divisors is an integer number (1521264726).

Almost surely, 2^12958921510 is an apocalyptic number.

12958921510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12958921510 is a deficient number, since it is larger than the sum of its proper divisors (11381314106).

12958921510 is a wasteful number, since it uses less digits than its factorization.

12958921510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56343167.

The product of its (nonzero) digits is 64800, while the sum is 43.

The spelling of 12958921510 in words is "twelve billion, nine hundred fifty-eight million, nine hundred twenty-one thousand, five hundred ten".