10212646545 has 48 divisors (see below), whose sum is σ = 17899801920. Its totient is φ = 5386061952.

The previous prime is 10212646529. The next prime is 10212646567. The reversal of 10212646545 is 54564621201.

10212646545 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 2 + 646 + 5 + 4 + 5 = 666.

It is not a de Polignac number, because 10212646545 - 2⁴ = 10212646529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2877462 + ... + 2881008.

It is an arithmetic number, because the mean of its divisors is an integer number (372912540).

Almost surely, 2^10212646545 is an apocalyptic number.

10212646545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10212646545 is a deficient number, since it is larger than the sum of its proper divisors (7687155375).

10212646545 is a wasteful number, since it uses less digits than its factorization.

10212646545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4254 (or 4251 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 10212646545 in words is "ten billion, two hundred twelve million, six hundred forty-six thousand, five hundred forty-five".