13212510345 has 64 divisors (see below), whose sum is σ = 24641625600. Its totient is φ = 6707715840.

The previous prime is 13212510329. The next prime is 13212510373. The reversal of 13212510345 is 54301521231.

13212510345 is a `hidden beast` number, since 132 + 12 + 510 + 3 + 4 + 5 = 666.

It is not a de Polignac number, because 13212510345 - 2⁴ = 13212510329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 254199 + ... + 301731.

It is an arithmetic number, because the mean of its divisors is an integer number (385025400).

Almost surely, 2^13212510345 is an apocalyptic number.

13212510345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13212510345 is a deficient number, since it is larger than the sum of its proper divisors (11429115255).

13212510345 is a wasteful number, since it uses less digits than its factorization.

13212510345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47647 (or 47641 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 13212510345 in words is "thirteen billion, two hundred twelve million, five hundred ten thousand, three hundred forty-five".